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MenuDropdown.less
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MenuDropdown.less
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@import '../variables.less';
@import 'mediawiki.mixins.less';
/* Variants and Actions */
.vector-menu-dropdown {
direction: ltr;
float: left;
cursor: pointer;
position: relative;
line-height: 1.125em;
h3 {
color: @color-base--subtle;
position: relative;
display: block;
.box-sizing( border-box );
&:not( .mw-ui-icon ) {
// `padding-top` needs to scale with font-size.
padding-top: 1.25em;
padding-left: 8px;
padding-right: unit( 24 / @font-size-tabs / @font-size-browser, em );
font-size: @font-size-tabs;
font-weight: normal;
}
&:after {
content: '';
background-image: url( images/arrow-down.svg );
background-position: 100% 50%;
background-repeat: no-repeat;
position: absolute;
top: unit( 10 / @font-size-tabs / @font-size-browser, em );
right: 8px;
bottom: 0;
width: unit( 16 / @font-size-tabs / @font-size-browser, em );
// Modify the color of the image from the default #202122 to approx. #404244 to match the text.
opacity: 0.84;
}
&:hover,
&:focus {
color: @color-base;
&:after {
opacity: 1;
}
}
}
// The menu itself.
.vector-menu-content {
background-color: @background-color-base;
list-style: none none;
// Match the width of the dropdown "heading" (the tab)
min-width: 100%;
position: absolute;
top: 2.5em;
left: -@border-width-base;
margin: 0;
border: @border-width-base @border-style-base @border-color-base;
border-top-width: 0;
padding: 0;
box-shadow: 0 1px 1px 0 rgba( 0, 0, 0, 0.1 );
text-align: left;
opacity: 0;
visibility: hidden;
.transition( opacity 100ms );
z-index: @z-index-menu;
}
.vector-menu-checkbox:checked ~ .vector-menu-content {
opacity: 1;
visibility: visible;
}
ul {
// display list style images introduced in typography.less.
list-style: none;
}
li {
padding: 0.625em;
margin: 0;
text-align: left;
line-height: 1em;
a {
color: @color-link;
display: block;
white-space: nowrap;
cursor: pointer;
span {
font-size: @font-size-tabs;
}
}
}
.selected a,
.selected a:visited {
color: @color-link-selected;
text-decoration: none;
}
}
#mw-head .vector-menu-dropdown h3 {
// Tab separator: Outer end (right in LTR) border of "Actions" menu.
background-position: right bottom;
float: left;
height: unit( 40 / @font-size-tabs / @font-size-browser, em );
margin: 0 -@border-width-base 0 0;
// `padding-right` >= `1px` effectively moves the "background border" outside of the element to
// act like a real border. It is necessary for `.vector-menu-dropdown .vector-menu-content-list` dropdown to align well.
// 0.5em equals `8px` at computed `font-size` of `14px` as visually harmonically with
// `padding-left` in `.vector-menu-dropdown h3 a`
padding-right: unit( 24 / @font-size-tabs / @font-size-browser, em );
}
// Tab Separators
// `.vector-menu-tabs`: Outer start border (left in LTR) of tab row.
// `.vector-menu-tabs a`: Border between tabs and outer end (right in LTR) border.
// `#mw-head .vector-menu-dropdown h3`: // Outer end (right in LTR) border of "Actions" menu.
.vector-menu-tabs,
.vector-menu-tabs a,
#mw-head .vector-menu-dropdown h3 {
// Support: IE 9, which doesn't understand `linear-gradient`.
background-image: url( images/tab-separator.png );
background-image: linear-gradient( to bottom, rgba( 167, 215, 249, 0 ) 0, @border-color-content 100% );
background-repeat: no-repeat;
// Contain gradient to 1px × 100% size and draw from top to bottom-left or -right corner.
background-size: @border-width-base 100%;
}
// Invisible checkbox covering the dropdown menu handle
.vector-menu-checkbox {
cursor: pointer;
position: absolute;
top: 0;
left: 0;
z-index: @z-index-menu-checkbox;
opacity: 0;
width: 100%;
height: 100%;
margin: 0;
padding: 0;
// Hide the checkbox completely in browsers that don't support :checked
display: none;
:not( :checked ) > & {
// When the browser supports :checked, display it
display: block;
}
&:focus + h3 {
// Simulate browser focus ring
outline: dotted 1px; // Firefox style
outline: auto -webkit-focus-ring-color; // Webkit style
}
}