1 // Common Less mixin library for MediaWiki
3 // By default the folder containing this file is included in $wgResourceLoaderLESSImportPaths,
4 // which makes this file importable by all less files via '@import "mediawiki.mixins";'.
6 // The mixins included below are considered a public interface for MediaWiki extensions.
7 // The signatures of parametrized mixins should be kept as stable as possible.
9 // See <http://lesscss.org/#-mixins> for more information about how to write mixins.
11 .background-image(@url) {
12 background-image: e('/* @embed */') url(@url);
15 // Deprecated in MW 1.27
16 .background-size(@width, @height) {
17 // Vendor prefix is added to support Android 2
18 -webkit-background-size: @width @height;
19 background-size: @width @height;
22 .vertical-gradient(@startColor: gray, @endColor: white, @startPos: 0, @endPos: 100%) {
23 background-color: @endColor;
24 background-image: -moz-linear-gradient( top, @startColor @startPos, @endColor @endPos ); // Firefox 3.6+
25 background-image: -webkit-gradient( linear, left top, left bottom, color-stop( @startPos, @startColor ), color-stop( @endPos, @endColor ) ); // Safari 4+, Chrome 2+
26 background-image: -webkit-linear-gradient( top, @startColor @startPos, @endColor @endPos ); // Safari 5.1+, Chrome 10+
27 background-image: linear-gradient( @startColor @startPos, @endColor @endPos ); // Standard
30 // SVG support using a transparent gradient to guarantee cross-browser
31 // compatibility (browsers able to understand gradient syntax support also SVG).
32 // http://pauginer.tumblr.com/post/36614680636/invisible-gradient-technique
34 // We use gzip compression, which means that it is okay to embed twice.
36 // We do not embed the fallback image on the assumption that the gain for old browsers
37 // is not worth the harm done to modern ones.
38 .background-image-svg(@svg, @fallback) {
39 background-image: url(@fallback);
40 background-image: linear-gradient(transparent, transparent), e('/* @embed */') url(@svg);
41 // Do not serve SVG to Opera 12, bad rendering with border-radius or background-size (T87504)
42 background-image: -o-linear-gradient(transparent, transparent), url(@fallback);
45 .list-style-image(@url) {
46 list-style-image: e('/* @embed */') url(@url);
49 .list-style-image-svg(@svg, @fallback) {
50 list-style-image: e('/* @embed */') url(@svg);
51 /* Fallback to PNG bullet for IE 8 and below using CSS hack */
52 list-style-image: e('/* @embed */') url(@fallback) e('\9');
56 -webkit-transition: @value; // Safari 3.1-6.0, iOS 3.2-6.1, Android 2.1-4.3
57 -moz-transition: @value; // Firefox 4-15
58 -o-transition: @value; // Opera 10.5-12.0
59 transition: @value; // Chrome 26+, Firefox 16+, IE 10+, Safari 6.1+, Opera 12.1+, iOS 7+, Android 4.4+
63 -webkit-box-sizing: @value; // Safari 3.1-5.0, iOS 3.2-4.3, Android 2.1-3.0
64 -moz-box-sizing: @value; // Firefox 4-28,
65 box-sizing: @value; // Chrome 10+, Firefox 29+, IE 8+, Safari 5.1+, Opera 10+, iOS 5+, Android 4+
69 -webkit-box-shadow: @value; // Safari 3.1-5.0, iOS 3.2-4.3, Android 2.1-3.0
70 box-shadow: @value; // Chrome 10+, Firefox 4+, IE 9+, Safari 5.1+, Opera 11+, iOS 5+, Android 4+
73 .column-count(@value) {
74 -webkit-column-count: @value;
75 -moz-column-count: @value;
79 .column-width(@value) {
80 -webkit-column-width: @value; // Chrome Any, Safari 3+, Opera 11.1+
81 -moz-column-width: @value; // Firefox 1.5+
82 column-width: @value; // IE 10+
85 .column-break-inside-avoid() {
86 -webkit-column-break-inside: avoid; // Chrome Any, Safari 3+, Opera 11.1+
87 page-break-inside: avoid; // Firefox 1.5+
88 break-inside: avoid-column; // IE 10+
91 .flex-display(@display: flex) {
92 display: ~"-webkit-@{display}"; // iOS 6-, Safari 3.1-6
93 display: ~"-moz-@{display}"; // Firefox 21-
94 display: ~"-ms-@{display}box"; // IE 10
98 .flex(@grow: 1, @shrink: 1, @width: auto, @order: 1) {
99 // For 2009/2012 spec alignment consistency with current default
100 -webkit-box-pack: justify; // iOS 6-, Safari 3.1-6
101 -moz-box-pack: justify; // Firefox 21-
102 -ms-flex-pack: justify; // IE10 (2012 spec)
103 justify-content: space-between; // Current default
105 // 2009 spec only supports 'flexible' as opposed to grow (flexPositive)
106 // and shrink (flexNegative); default to grow value
107 -webkit-box-flex: @grow; // iOS 6-, Safari 3.1-6
108 -moz-box-flex: @grow; // Firefox 21-
109 width: @width; // Fallback for flex-basis
111 -ms-flex: @grow @shrink @width; // IE10
112 flex: @grow @shrink @width;
114 -webkit-box-ordinal-group: @order; // iOS 6-, Safari 3.1-6
115 -moz-box-ordinal-group: @order; // Firefox 21-
116 -ms-flex-order: @order; // IE10