//
 // Dropdown menus
 // --------------------------------------------------
 
 
 // Dropdown arrow/caret
 .caret {
   display: inline-block;
   width: 0;
   height: 0;
   margin-left: 2px;
   vertical-align: middle;
   border-top:   @caret-width-base dashed;
   border-top:   @caret-width-base solid ~"\9"; // IE8
   border-right: @caret-width-base solid transparent;
   border-left:  @caret-width-base solid transparent;
 }
 
 // The dropdown wrapper (div)
 .dropup,
 .dropdown {
   position: relative;
 }
 
 // Prevent the focus on the dropdown toggle when closing dropdowns
 .dropdown-toggle:focus {
   outline: 0;
 }
 
 // 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;
   font-size: @font-size-base;
   text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
   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
   //
   // Deprecated as of 3.1.0 in favor of `.dropdown-menu-[dir]`
   &.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;
     background-color: @dropdown-link-hover-bg;
   }
 }
 
 // Active state
 .dropdown-menu > .active > a {
   &,
   &:hover,
   &:focus {
     color: @dropdown-link-active-color;
     text-decoration: none;
     outline: 0;
     background-color: @dropdown-link-active-bg;
   }
 }
 
 // Disabled state
 //
 // Gray out text and ensure the hover/focus state remains gray
 
 .dropdown-menu > .disabled > a {
   &,
   &:hover,
   &:focus {
     color: @dropdown-link-disabled-color;
   }
 
   // Nuke hover/focus effects
   &:hover,
   &:focus {
     text-decoration: none;
     background-color: transparent;
     background-image: none; // Remove CSS gradient
     .reset-filter();
     cursor: @cursor-disabled;
   }
 }
 
 // Open state for the dropdown
 .open {
   // Show the menu
   > .dropdown-menu {
     display: block;
   }
 
   // Remove the outline when :focus is triggered
   > a {
     outline: 0;
   }
 }
 
 // Menu positioning
 //
 // Add extra class to `.dropdown-menu` to flip the alignment of the dropdown
 // menu with the parent.
 .dropdown-menu-right {
   left: auto; // Reset the default from `.dropdown-menu`
   right: 0;
 }
 // With v3, we enabled auto-flipping if you have a dropdown within a right
 // aligned nav component. To enable the undoing of that, we provide an override
 // to restore the default dropdown menu alignment.
 //
 // This is only for left-aligning a dropdown menu within a `.navbar-right` or
 // `.pull-right` nav component.
 .dropdown-menu-left {
   left: 0;
   right: auto;
 }
 
 // Dropdown section headers
 .dropdown-header {
   display: block;
   padding: 3px 20px;
   font-size: @font-size-small;
   line-height: @line-height-base;
   color: @dropdown-header-color;
   white-space: nowrap; // as with > li > a
 }
 
 // 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: @caret-width-base dashed;
     border-bottom: @caret-width-base solid ~"\9"; // IE8
     content: "";
   }
   // Different positioning for bottom up menu
   .dropdown-menu {
     top: auto;
     bottom: 100%;
     margin-bottom: 2px;
   }
 }
 
 
 // Component alignment
 //
 // Reiterate per navbar.less and the modified component alignment there.
 
 @media (min-width: @grid-float-breakpoint) {
   .navbar-right {
     .dropdown-menu {
       .dropdown-menu-right();
     }
     // Necessary for overrides of the default right aligned menu.
     // Will remove come v4 in all likelihood.
     .dropdown-menu-left {
       .dropdown-menu-left();
     }
   }
 }