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// Common LESS mixin library for MediaWiki
//
// By default the folder containing this file is included in $wgResourceLoaderLESSImportPaths,
// which makes this file importable by all less files via '@import "mediawiki.mixins";'.
//
// The mixins included below are considered a public interface for MediaWiki extensions.
// The signatures of parametrized mixins should be kept as stable as possible.
//
// See <http://lesscss.org/#-mixins> for more information about how to write mixins.
.background-image(@url) {
background-image: e('/* @embed */') url(@url);
}
.background-size(@width, @height) {
// Vendor prefix for certain older opera browsers e.g. nintendo ds
-o-background-size: @width @height;
// Vendor prefix is added to support Android 2
-webkit-background-size: @width @height;
background-size: @width @height;
}
.vertical-gradient(@startColor: gray, @endColor: white, @startPos: 0, @endPos: 100%) {
background-color: @endColor;
background-image: -moz-linear-gradient( top, @startColor @startPos, @endColor @endPos ); // Firefox 3.6+
background-image: -webkit-gradient( linear, left top, left bottom, color-stop( @startPos, @startColor ), color-stop( @endPos, @endColor ) ); // Safari 4+, Chrome 2+
background-image: -webkit-linear-gradient( top, @startColor @startPos, @endColor @endPos ); // Safari 5.1+, Chrome 10+
background-image: linear-gradient( @startColor @startPos, @endColor @endPos ); // Standard
}
// SVG support using a transparent gradient to guarantee cross-browser
// compatibility (browsers able to understand gradient syntax support also SVG).
// http://pauginer.tumblr.com/post/36614680636/invisible-gradient-technique
//
// We use gzip compression, which means that it is okay to embed twice.
//
// We do not embed the fallback image on the assumption that the gain for old browsers
// is not worth the harm done to modern ones.
.background-image-svg(@svg, @fallback) {
background-image: url(@fallback);
background-image: -webkit-linear-gradient(transparent, transparent), e('/* @embed */') url(@svg);
background-image: linear-gradient(transparent, transparent), e('/* @embed */') url(@svg);
// Do not serve SVG to Opera 12, bad rendering with border-radius or background-size (T87504)
background-image: -o-linear-gradient(transparent, transparent), url(@fallback);
}
.list-style-image(@url) {
list-style-image: e('/* @embed */') url(@url);
}
.list-style-image-svg(@svg, @fallback) {
list-style-image: e('/* @embed */') url(@svg);
/* Fallback to PNG bullet for IE 8 and below using CSS hack */
list-style-image: e('/* @embed */') url(@fallback) e('\9');
}
.transition(@value) {
-webkit-transition: @value; // Safari 3.1-6.0, iOS 3.2-6.1, Android 2.1-4.3
-moz-transition: @value; // Firefox 4-15
-o-transition: @value; // Opera 10.5-12.0
transition: @value; // Chrome 26+, Firefox 16+, IE 10+, Safari 6.1+, Opera 12.1+, iOS 7+, Android 4.4+
}
.box-sizing(@value) {
-webkit-box-sizing: @value; // Safari 3.1-5.0, iOS 3.2-4.3, Android 2.1-3.0
-moz-box-sizing: @value; // Firefox 4-28,
box-sizing: @value; // Chrome 10+, Firefox 29+, IE 8+, Safari 5.1+, Opera 10+, iOS 5+, Android 4+
}
.box-shadow(@value) {
-webkit-box-shadow: @value; // Safari 3.1-5.0, iOS 3.2-4.3, Android 2.1-3.0
box-shadow: @value; // Chrome 10+, Firefox 4+, IE 9+, Safari 5.1+, Opera 11+, iOS 5+, Android 4+
}
.column-count(@value) {
-webkit-column-count: @value;
-moz-column-count: @value;
column-count: @value;
}
.column-width(@value) {
-webkit-column-width: @value;// Chrome Any, Safari 3+, Opera 11.1+
-moz-column-width: @value;// Firefox 1.5+
column-width: @value;// IE 10+
}
.column-break-inside-avoid() {
-webkit-column-break-inside: avoid; // Chrome Any, Safari 3+, Opera 11.1+
page-break-inside: avoid; // Firefox 1.5+
break-inside: avoid-column; // IE 10+
}
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