/bower_components/bootstrap/less/dropdowns.less |
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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: @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(); |
} |
} |
} |