themes/docs-theme/assets/css/setup/_mixins.sass
@mixin vendors($property, $value...)
-webkit-#{$property}: $value
-moz-#{$property}: $value
-ms-#{$property}: $value
-o-#{$property}: $value
#{$property}: $value
@mixin clearfix
&:after
visibility: hidden
display: block
content: ""
clear: both
height: 0
@mixin retina
@media (-webkit-min-device-pixel-ratio: 1.5), (min-resolution: 144dpi)
&
@content
%prevent-children-margin
> :first-child,
> :first-child > :first-child,
> :first-child > :first-child > :first-child
margin-top: 0
> :last-child,
> :last-child > :last-child,
> :last-child > :last-child > :last-child
margin-bottom: 0