Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.8)
// Compass (v1.0.0.alpha.19)
// ----

$fw: null !default; 
$fs: null !default;
$lh: null !default; 
$ff: null !default;

@mixin font-variant($fw: $font-weight, $fs: $font-size, $lh: $line-height, $ff: $font-family){
  font: $fw #{$fs}/#{$lh} $ff;
}

// @include font-variant($fw, $fs, $lh, $ff);

$font-family-base: arial, sans-seif !default;
$font-size-base  : 13px !default;
$line-height-base: 1.5 !default;
$font-weight-base: normal !default;

%font-style-base {
  @include font-variant($font-weight-base, $font-size-base, $line-height-base, $font-family-base);
}


body {
  @extend %font-style-base;
}

SassMeister-output.css

body {
  font: normal 13px/1.5 arial, sans-seif;
}