$blue: #000050
$font-family: Helvetica, sans-serif
$font-size: 13px
$big-font-size: 18px
$normal-margin: 10px
title
font-size: $big-font-size
color: $blue
*
font-family: $font-family
font-size: $font-size
p
margin: $margin
bit.ly/fromdev
@ArnaudRinquin