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//
// Dropdown menus
// --------------------------------------------------
// Dropdown arrow/caret
// --------------------
.caret {
display: inline-block;
width: 0;
height: 0;
margin-left: 2px;
vertical-align: middle;
border-top: 4px solid @dropdown-caret-color;
border-right: 4px solid transparent;
border-left: 4px solid transparent;
content: "";
}
// The dropdown menu (ul)
// ----------------------
.dropdown-menu {
position: absolute;
top: 100%;
left: 0;
z-index: @zindex-dropdown;
display: none; // none by default, but block on "open" of the menu
float: left;
min-width: 160px;
padding: 5px 0;
margin: 2px 0 0; // override default ul
list-style: none;
background-color: @dropdown-bg;
border: 1px solid @dropdown-fallback-border; // IE8 fallback
border: 1px solid @dropdown-border;
border-radius: @border-radius-base;
.box-shadow(0 6px 12px rgba(0,0,0,.175));
.background-clip(padding-box);
// Aligns the dropdown menu to right
&.pull-right {
right: 0;
left: auto;
}
// Dividers (basically an hr) within the dropdown
.divider {
.nav-divider(@dropdown-divider-bg);
}
// Links within the dropdown menu
> li > a {
display: block;
padding: 3px 20px;
clear: both;
font-weight: normal;
line-height: @line-height-base;
color: @dropdown-link-color;
white-space: nowrap; // prevent links from randomly breaking onto new lines
}
}
// Hover/Focus state
// -----------
.dropdown-menu > li > a {
&:hover,
&:focus {
text-decoration: none;
color: @dropdown-link-hover-color;
#gradient > .vertical(@start-color: @dropdown-link-hover-bg; @end-color: darken(@dropdown-link-hover-bg, 5%));
}
}
// Active state
// ------------
.dropdown-menu > .active > a {
&,
&:hover,
&:focus {
color: @dropdown-link-active-color;
text-decoration: none;
outline: 0;
#gradient > .vertical(@start-color: @dropdown-link-active-bg; @end-color: darken(@dropdown-link-active-bg, 5%));
}
}
// Disabled state
// --------------
// Gray out text and ensure the hover/focus state remains gray
.dropdown-menu > .disabled > a {
&,
&:hover,
&:focus {
color: @gray-light;
}
}
// Nuke hover/focus effects
.dropdown-menu > .disabled > a {
&:hover,
&:focus {
text-decoration: none;
background-color: transparent;
background-image: none; // Remove CSS gradient
.reset-filter();
cursor: not-allowed;
}
}
// Open state for the dropdown
// ---------------------------
.open {
// Show the menu
> .dropdown-menu {
display: block;
}
// Remove the outline when :focus is triggered
> a {
outline: 0;
}
}
// Dropdown section headers
// ---------------------------
.dropdown-header {
display: block;
padding: 3px 20px;
font-size: @font-size-small;
line-height: @line-height-base;
color: @gray-light;
}
// Backdrop to catch body clicks on mobile, etc.
// ---------------------------
.dropdown-backdrop {
position: fixed;
left: 0;
right: 0;
bottom: 0;
top: 0;
z-index: @zindex-dropdown - 10;
}
// Right aligned dropdowns
// ---------------------------
.pull-right > .dropdown-menu {
right: 0;
left: auto;
}
// Allow for dropdowns to go bottom up (aka, dropup-menu)
// ------------------------------------------------------
// Just add .dropup after the standard .dropdown class and you're set, bro.
// TODO: abstract this so that the navbar fixed styles are not placed here?
.dropup,
.navbar-fixed-bottom .dropdown {
// Reverse the caret
.caret {
border-top: 0;
border-bottom: 4px solid @dropdown-caret-color;
content: "";
}
// Different positioning for bottom up menu
.dropdown-menu {
top: auto;
bottom: 100%;
margin-bottom: 1px;
}
}
|
