gem install sass
sass input.scss output.css
sass --watch input.scss:output.css
sass --watch app/sass:public/stylesheets
$color: #f00;
.color-red {
color: $color;
}
.box{
.box-header{
background-color: green;
&:hover{
background-color: red;
}
}
}
@mixin rounded($vert, $horz, $radius: 10px) {
border-#{$vert}-#{$horz}-radius: $radius;
-moz-border-radius-#{$vert}#{$horz}: $radius;
-webkit-border-#{$vert}-#{$horz}-radius: $radius;
}