twbs--bootstrap/lib/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 arrow/caret
.caret {
display: inline-block;
width: 0;
height: 0;
text-indent: -99999px;
vertical-align: top;
border-left: 4px solid transparent;
border-right: 4px solid transparent;
border-top: 4px solid #000;
.opacity(30);
content: "\2193";
}
.dropdown .caret {
margin-top: 8px;
margin-left: 2px;
}
.dropdown:hover .caret {
.opacity(100);
}
// The dropdown menu (ul)
.dropdown-menu {
position: absolute;
top: 40px;
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: 5px 0;
margin: 0; // override default ul
list-style: none;
background-color: @white;
border-color: #999;
border-color: rgba(0,0,0,.1);
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;
zoom: 1; // do we need this?
// Dividers (basically an hr) within the dropdown
.divider {
height: 1px;
margin: 5px 1px;
overflow: hidden;
background-color: #e5e5e5;
border-bottom: 1px solid @white;
}
// Links within the dropdown menu
a {
display: block;
padding: 2px 15px;
clear: both;
font-weight: normal;
line-height: 18px;
color: @gray;
// Hover state
&:hover {
color: #fff;
text-decoration: none;
text-shadow: 0 -1px 0 rgba(0,0,0,.25);
#gradient > .vertical(@blue, @blueDark);
@shadow: inset 0 1px 0 rgba(0,0,0,.075), inset 0 -1px rgba(0,0,0,.075);
.box-shadow(@shadow);
}
}
}
// Open state for the dropdown
.dropdown.open {
.dropdown-toggle {
color: @white;
background: #ccc;
background: rgba(0,0,0,.3);
}
.dropdown-menu {
display: block;
}
}