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twbs--bootstrap/less/dropdowns.less

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// DROPDOWN MENUS
// --------------
// Use the .menu class on any <li> element within the topbar or ul.tabs and you'll get some superfancy dropdowns
.dropdown {
position: relative;
}
.dropdown-toggle {
// The caret makes the toggle a bit too tall in IE7
*margin-bottom: -3px;
}
.dropdown-toggle:active,
.open .dropdown-toggle {
outline: 0;
}
// Dropdown arrow/caret
.caret {
display: inline-block;
width: 0;
height: 0;
text-indent: -99999px;
// IE7 won't do the border trick if there's a text indent, but it doesn't
// do the content that text-indent is hiding, either, so we're ok.
*text-indent: 0;
vertical-align: top;
border-left: 4px solid transparent;
border-right: 4px solid transparent;
border-top: 4px solid @black;
.opacity(30);
content: "\2193";
}
.dropdown .caret {
margin-top: 8px;
margin-left: 2px;
}
.dropdown:hover .caret,
.open.dropdown .caret {
.opacity(100);
}
// The dropdown menu (ul)
.dropdown-menu {
position: absolute;
top: 100%;
left: 0;
z-index: @zindexDropdown;
float: left;
display: none; // none by default, but block on "open" of the menu
min-width: 160px;
max-width: 220px;
_width: 160px;
padding: 4px 0;
margin: 0; // override default ul
list-style: none;
background-color: @white;
border-color: #ccc;
border-color: rgba(0,0,0,.2);
border-style: solid;
border-width: 1px;
.border-radius(0 0 5px 5px);
.box-shadow(0 5px 10px rgba(0,0,0,.2));
-webkit-background-clip: padding-box;
-moz-background-clip: padding;
background-clip: padding-box;
*border-right-width: 2px;
*border-bottom-width: 2px;
// Allow for dropdowns to go bottom up (aka, dropup-menu)
&.bottom-up {
top: auto;
bottom: 100%;
margin-bottom: 2px;
}
// Dividers (basically an hr) within the dropdown
.divider {
height: 1px;
margin: 5px 1px;
overflow: hidden;
background-color: #e5e5e5;
border-bottom: 1px solid @white;
// IE7 needs a set width since we gave a height. Restricting just
// to IE7 to keep the 1px left/right space in other browsers.
// It is unclear where IE is getting the extra space that we need
// to negative-margin away, but so it goes.
*width: 100%;
*margin: -5px 0 5px;
}
// Links within the dropdown menu
a {
display: block;
padding: 3px 15px;
clear: both;
font-weight: normal;
line-height: 18px;
color: @gray;
white-space: nowrap;
}
}
// Hover state
.dropdown-menu li > a:hover,
.dropdown-menu .active > a,
.dropdown-menu .active > a:hover {
color: @white;
text-decoration: none;
background-color: @linkColor;
}
// Open state for the dropdown
.dropdown.open {
// IE7's z-index only goes to the nearest positioned ancestor, which would
// make the menu appear below buttons that appeared later on the page
*z-index: @zindexDropdown;
.dropdown-toggle {
color: @white;
background: #ccc;
background: rgba(0,0,0,.3);
}
.dropdown-menu {
display: block;
}
}
// Typeahead
.typeahead {
margin-top: 2px; // give it some space to breathe
.border-radius(4px);
}