mirror of
https://github.com/twbs/bootstrap.git
synced 2022-11-09 12:25:43 -05:00
537 lines
20 KiB
Text
537 lines
20 KiB
Text
// Mixins.less
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// Snippets of reusable CSS to develop faster and keep code readable
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// -----------------------------------------------------------------
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// UTILITY MIXINS
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// --------------------------------------------------
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// Clearfix
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// --------
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// For clearing floats like a boss h5bp.com/q
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.clearfix() {
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*zoom: 1;
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&:before,
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&:after {
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display: table;
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content: "";
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}
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&:after {
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clear: both;
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}
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}
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// Webkit-style focus
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// ------------------
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.tab-focus() {
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// Default
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outline: thin dotted;
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// Webkit
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outline: 5px auto -webkit-focus-ring-color;
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outline-offset: -2px;
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}
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// Center-align a block level element
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// ----------------------------------
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.center-block() {
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display: block;
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margin-left: auto;
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margin-right: auto;
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}
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// IE7 inline-block
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// ----------------
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.ie7-inline-block() {
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*display: inline; /* IE7 inline-block hack */
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*zoom: 1;
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}
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// IE7 likes to collapse whitespace on either side of the inline-block elements.
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// Ems because we're attempting to match the width of a space character. Left
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// version is for form buttons, which typically come after other elements, and
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// right version is for icons, which come before. Applying both is ok, but it will
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// mean that space between those elements will be .6em (~2 space characters) in IE7,
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// instead of the 1 space in other browsers.
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.ie7-restore-left-whitespace() {
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*margin-left: .3em;
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&:first-child {
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*margin-left: 0;
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}
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}
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.ie7-restore-right-whitespace() {
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*margin-right: .3em;
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&:last-child {
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*margin-left: 0;
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}
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}
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// Sizing shortcuts
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// -------------------------
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.size(@height: 5px, @width: 5px) {
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width: @width;
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height: @height;
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}
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.square(@size: 5px) {
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.size(@size, @size);
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}
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// Placeholder text
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// -------------------------
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.placeholder(@color: @placeholderText) {
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:-moz-placeholder {
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color: @color;
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}
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::-webkit-input-placeholder {
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color: @color;
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}
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}
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// FONTS
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// --------------------------------------------------
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#font {
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#family {
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.serif() {
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font-family: Georgia, "Times New Roman", Times, serif;
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}
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.sans-serif() {
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font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
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}
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.monospace() {
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font-family: Menlo, Monaco, "Courier New", monospace;
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}
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}
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.shorthand(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
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font-size: @size;
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font-weight: @weight;
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line-height: @lineHeight;
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}
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.serif(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
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#font > #family > .serif;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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.sans-serif(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
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#font > #family > .sans-serif;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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.monospace(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
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#font > #family > .monospace;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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}
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// GRID SYSTEM
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// --------------------------------------------------
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// Site container
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// -------------------------
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.container-fixed() {
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width: @gridRowWidth;
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margin-left: auto;
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margin-right: auto;
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.clearfix();
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}
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// Le grid system
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// -------------------------
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#gridSystem {
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// Setup the mixins to be used
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.columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, @columns) {
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width: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns - 1));
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}
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.offset(@gridColumnWidth, @gridGutterWidth, @columns) {
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margin-left: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns - 1)) + (@gridGutterWidth * 2);
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}
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.gridColumn(@gridGutterWidth) {
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float: left;
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margin-left: @gridGutterWidth;
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}
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// Take these values and mixins, and make 'em do their thang
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.generate(@gridColumns, @gridColumnWidth, @gridGutterWidth) {
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// Row surrounds the columns
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.row {
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margin-left: @gridGutterWidth * -1;
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.clearfix();
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}
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// Find all .span# classes within .row and give them the necessary properties for grid columns (supported by all browsers back to IE7, thanks @dhg)
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[class*="span"] {
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#gridSystem > .gridColumn(@gridGutterWidth);
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}
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// Default columns
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.span1 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 1); }
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.span2 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 2); }
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.span3 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 3); }
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.span4 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 4); }
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.span5 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 5); }
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.span6 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 6); }
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.span7 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 7); }
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.span8 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 8); }
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.span9 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 9); }
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.span10 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 10); }
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.span11 { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 11); }
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.span12,
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.container { #gridSystem > .columns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 12); }
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// Offset column options
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.offset1 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 1); }
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.offset2 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 2); }
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.offset3 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 3); }
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.offset4 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 4); }
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.offset5 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 5); }
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.offset6 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 6); }
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.offset7 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 7); }
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.offset8 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 8); }
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.offset9 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 9); }
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.offset10 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 10); }
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.offset11 { #gridSystem > .offset(@gridColumnWidth, @gridGutterWidth, 11); }
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}
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}
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// Fluid grid system
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// -------------------------
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#fluidGridSystem {
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// Setup the mixins to be used
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.columns(@fluidGridGutterWidth, @fluidGridColumnWidth, @columns) {
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width: 1% * (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1));
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}
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.gridColumn(@fluidGridGutterWidth) {
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float: left;
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margin-left: @fluidGridGutterWidth;
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}
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// Take these values and mixins, and make 'em do their thang
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.generate(@gridColumns, @fluidGridColumnWidth, @fluidGridGutterWidth) {
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// Row surrounds the columns
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.row-fluid {
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width: 100%;
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.clearfix();
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// Find all .span# classes within .row and give them the necessary properties for grid columns (supported by all browsers back to IE7, thanks @dhg)
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> [class*="span"] {
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#fluidGridSystem > .gridColumn(@fluidGridGutterWidth);
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}
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> [class*="span"]:first-child {
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margin-left: 0;
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}
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// Default columns
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.span1 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 1); }
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.span2 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 2); }
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.span3 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 3); }
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.span4 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 4); }
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.span5 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 5); }
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.span6 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 6); }
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.span7 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 7); }
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.span8 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 8); }
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.span9 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 9); }
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.span10 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 10); }
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.span11 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 11); }
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.span12 { #fluidGridSystem > .columns(@fluidGridGutterWidth, @fluidGridColumnWidth, 12); }
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}
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}
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}
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// Input grid system
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// -------------------------
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#inputGridSystem {
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.inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, @columns) {
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width: ((@gridColumnWidth) * @columns) + (@gridGutterWidth * (@columns - 1)) - 10;
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}
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.generate(@gridColumns, @gridColumnWidth, @gridGutterWidth) {
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input,
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textarea,
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.uneditable-input {
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&.span1 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 1); }
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&.span2 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 2); }
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&.span3 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 3); }
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&.span4 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 4); }
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&.span5 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 5); }
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&.span6 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 6); }
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&.span7 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 7); }
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&.span8 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 8); }
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&.span9 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 9); }
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&.span10 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 10); }
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&.span11 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 11); }
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&.span12 { #inputGridSystem > .inputColumns(@gridGutterWidth, @gridColumnWidth, @gridRowWidth, 12); }
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}
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}
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}
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// CSS3 PROPERTIES
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// --------------------------------------------------
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// Border Radius
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.border-radius(@radius: 5px) {
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-webkit-border-radius: @radius;
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-moz-border-radius: @radius;
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border-radius: @radius;
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}
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// Drop shadows
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.box-shadow(@shadow: 0 1px 3px rgba(0,0,0,.25)) {
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-webkit-box-shadow: @shadow;
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-moz-box-shadow: @shadow;
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box-shadow: @shadow;
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}
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// Transitions
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.transition(@transition) {
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-webkit-transition: @transition;
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-moz-transition: @transition;
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-ms-transition: @transition;
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-o-transition: @transition;
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transition: @transition;
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}
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// Transformations
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.rotate(@degrees) {
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-webkit-transform: rotate(@degrees);
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-moz-transform: rotate(@degrees);
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-ms-transform: rotate(@degrees);
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-o-transform: rotate(@degrees);
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transform: rotate(@degrees);
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}
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.scale(@ratio) {
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-webkit-transform: scale(@ratio);
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-moz-transform: scale(@ratio);
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-ms-transform: scale(@ratio);
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-o-transform: scale(@ratio);
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transform: scale(@ratio);
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}
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.translate(@x: 0, @y: 0) {
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-webkit-transform: translate(@x, @y);
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-moz-transform: translate(@x, @y);
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-ms-transform: translate(@x, @y);
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-o-transform: translate(@x, @y);
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transform: translate(@x, @y);
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}
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.skew(@x: 0, @y: 0) {
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-webkit-transform: translate(@x, @y);
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-moz-transform: translate(@x, @y);
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-ms-transform: translate(@x, @y);
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-o-transform: translate(@x, @y);
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transform: translate(@x, @y);
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}
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.skew(@x: 0, @y: 0) {
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-webkit-transform: skew(@x, @y);
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-moz-transform: skew(@x, @y);
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-ms-transform: skew(@x, @y);
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-o-transform: skew(@x, @y);
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transform: skew(@x, @y);
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}
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// Background clipping
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// Heads up: FF 3.6 and under need "padding" instead of "padding-box"
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.background-clip(@clip) {
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-webkit-background-clip: @clip;
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-moz-background-clip: @clip;
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background-clip: @clip;
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}
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// Background sizing
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.background-size(@size){
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-webkit-background-size: @size;
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-moz-background-size: @size;
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-o-background-size: @size;
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background-size: @size;
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}
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// Box sizing
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.box-sizing(@boxmodel) {
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-webkit-box-sizing: @boxmodel;
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-moz-box-sizing: @boxmodel;
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box-sizing: @boxmodel;
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}
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// User select
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// For selecting text on the page
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.user-select(@select) {
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-webkit-user-select: @select;
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-moz-user-select: @select;
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-o-user-select: @select;
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user-select: @select;
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}
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// Resize anything
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.resizable(@direction: both) {
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resize: @direction; // Options: horizontal, vertical, both
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overflow: auto; // Safari fix
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}
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// CSS3 Content Columns
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.content-columns(@columnCount, @columnGap: @gridColumnGutter) {
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-webkit-column-count: @columnCount;
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-moz-column-count: @columnCount;
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column-count: @columnCount;
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-webkit-column-gap: @columnGap;
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-moz-column-gap: @columnGap;
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column-gap: @columnGap;
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}
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// Opacity
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.opacity(@opacity: 100) {
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opacity: @opacity / 100;
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filter: e(%("alpha(opacity=%d)", @opacity));
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}
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// BACKGROUNDS
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// --------------------------------------------------
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// Add an alphatransparency value to any background or border color (via Elyse Holladay)
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#translucent {
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.background(@color: @white, @alpha: 1) {
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background-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
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}
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.border(@color: @white, @alpha: 1) {
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border-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
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.background-clip(padding-box);
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}
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}
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// Gradient Bar Colors for buttons and alerts
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.gradientBar(@primaryColor, @secondaryColor) {
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#gradient > .vertical(@primaryColor, @secondaryColor);
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border-color: @secondaryColor @secondaryColor darken(@secondaryColor, 15%);
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border-color: rgba(0,0,0,.1) rgba(0,0,0,.1) fadein(rgba(0,0,0,.1), 15%);
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}
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// Gradients
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#gradient {
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.horizontal(@startColor: #555, @endColor: #333) {
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background-color: @endColor;
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background-image: -moz-linear-gradient(left, @startColor, @endColor); // FF 3.6+
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background-image: -ms-linear-gradient(left, @startColor, @endColor); // IE10
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background-image: -webkit-gradient(linear, 0 0, 100% 0, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
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background-image: -webkit-linear-gradient(left, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(left, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(left, @startColor, @endColor); // Le standard
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background-repeat: repeat-x;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",@startColor,@endColor)); // IE9 and down
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}
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.vertical(@startColor: #555, @endColor: #333) {
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background-color: mix(@startColor, @endColor, 60%);
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background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
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background-image: -ms-linear-gradient(top, @startColor, @endColor); // IE10
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background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
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background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(top, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(top, @startColor, @endColor); // The standard
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background-repeat: repeat-x;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor)); // IE9 and down
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}
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.directional(@startColor: #555, @endColor: #333, @deg: 45deg) {
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background-color: @endColor;
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background-repeat: repeat-x;
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background-image: -moz-linear-gradient(@deg, @startColor, @endColor); // FF 3.6+
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background-image: -ms-linear-gradient(@deg, @startColor, @endColor); // IE10
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background-image: -webkit-linear-gradient(@deg, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(@deg, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(@deg, @startColor, @endColor); // The standard
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}
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.vertical-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
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background-color: mix(@midColor, @endColor, 80%);
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background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
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background-image: -webkit-linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-image: -moz-linear-gradient(top, @startColor, @midColor @colorStop, @endColor);
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background-image: -ms-linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-image: -o-linear-gradient(@startColor, @midColor @colorStop, @endColor);
|
|
background-image: linear-gradient(@startColor, @midColor @colorStop, @endColor);
|
|
background-repeat: no-repeat;
|
|
filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor)); // IE9 and down, gets no color-stop at all for proper fallback
|
|
}
|
|
.radial(@innerColor: #555, @outerColor: #333) {
|
|
background-color: @outerColor;
|
|
background-image: -webkit-gradient(radial, center center, 0, center center, 460, from(@innerColor), to(@outerColor));
|
|
background-image: -webkit-radial-gradient(circle, @innerColor, @outerColor);
|
|
background-image: -moz-radial-gradient(circle, @innerColor, @outerColor);
|
|
background-image: -ms-radial-gradient(circle, @innerColor, @outerColor);
|
|
background-repeat: no-repeat;
|
|
// Opera cannot do radial gradients yet
|
|
}
|
|
.striped(@color, @angle: -45deg) {
|
|
background-color: @color;
|
|
background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, rgba(255,255,255,.15)), color-stop(.25, transparent), color-stop(.5, transparent), color-stop(.5, rgba(255,255,255,.15)), color-stop(.75, rgba(255,255,255,.15)), color-stop(.75, transparent), to(transparent));
|
|
background-image: -webkit-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
|
|
background-image: -moz-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
|
|
background-image: -ms-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
|
|
background-image: -o-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
|
|
background-image: linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
|
|
}
|
|
}
|
|
// Reset filters for IE
|
|
.reset-filter() {
|
|
filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
|
|
}
|
|
|
|
|
|
// Mixin for generating button backgrounds
|
|
// ---------------------------------------
|
|
.buttonBackground(@startColor, @endColor) {
|
|
// gradientBar will set the background to a pleasing blend of these, to support IE<=9
|
|
.gradientBar(@startColor, @endColor);
|
|
.reset-filter();
|
|
|
|
// in these cases the gradient won't cover the background, so we override
|
|
&:hover, &:active, &.active, &.disabled, &[disabled] {
|
|
background-color: @endColor;
|
|
}
|
|
|
|
// IE 7 + 8 can't handle box-shadow to show active, so we darken a bit ourselves
|
|
&:active,
|
|
&.active {
|
|
background-color: darken(@endColor, 10%) e("\9");
|
|
}
|
|
}
|
|
|
|
|
|
// COMPONENT MIXINS
|
|
// --------------------------------------------------
|
|
|
|
// POPOVER ARROWS
|
|
// -------------------------
|
|
// For tipsies and popovers
|
|
#popoverArrow {
|
|
.top(@arrowWidth: 5px) {
|
|
bottom: 0;
|
|
left: 50%;
|
|
margin-left: -@arrowWidth;
|
|
border-left: @arrowWidth solid transparent;
|
|
border-right: @arrowWidth solid transparent;
|
|
border-top: @arrowWidth solid @black;
|
|
}
|
|
.left(@arrowWidth: 5px) {
|
|
top: 50%;
|
|
right: 0;
|
|
margin-top: -@arrowWidth;
|
|
border-top: @arrowWidth solid transparent;
|
|
border-bottom: @arrowWidth solid transparent;
|
|
border-left: @arrowWidth solid @black;
|
|
}
|
|
.bottom(@arrowWidth: 5px) {
|
|
top: 0;
|
|
left: 50%;
|
|
margin-left: -@arrowWidth;
|
|
border-left: @arrowWidth solid transparent;
|
|
border-right: @arrowWidth solid transparent;
|
|
border-bottom: @arrowWidth solid @black;
|
|
}
|
|
.right(@arrowWidth: 5px) {
|
|
top: 50%;
|
|
left: 0;
|
|
margin-top: -@arrowWidth;
|
|
border-top: @arrowWidth solid transparent;
|
|
border-bottom: @arrowWidth solid transparent;
|
|
border-right: @arrowWidth solid @black;
|
|
}
|
|
}
|