Variables
sass
定义变量符号是$
,less
定义变量的符号是@
。
1 2 3 4 5 6 7 8 9 10
| $bule: #2a8ee3 !global; $borderDirection: top !default; $baseFontSize: 12px; $baseLineHeight: 1.5; .border-#{$borderDirection}{ border-#{$borderDirection}:1px solid #ccc; } body{ font:#{$baseFontSize}/#{$baseLineHeight}; }
|
1 2 3 4 5 6 7
| $linkColor: #08c #333 !default; a{ color:nth($linkColor,1); &:hover{ color:nth($linkColor,2); } }
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
| $headings: (h1: 2em, h2: 1.5em, h3: 1.2em); @each $header, $size in $headings { #{$header} { font-size: $size; } }
h1 { font-size: 2em; } h2 { font-size: 1.5em; } h3 { font-size: 1.2em; }
|
Mixins
1 2 3 4
| @mixin border-radius($radius: 5px) { border-radius: $radius; } .box { @include border-radius(10px); }
|
Extend
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
| %message-shared { border: 1px solid #ccc; padding: 10px; color: #333; }
.message { @extend %message-shared; }
.success { @extend %message-shared; border-color: green; }
|
Function
1 2 3 4 5 6 7 8 9 10 11 12 13
| $baseFontSize: 10px; $gray: #ccc; @function pxToRem($px) { @return $px / $baseFontSize * 1rem; } body{ font-size:$baseFontSize; color:lighten($gray,10%); } .test{ font-size:pxToRem(16px); color:darken($gray,10%); }
|
Import