Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.12)
// Compass (v1.0.0.alpha.21)
// ----

$list:#111,#222,#333;
@function pxToem($px,$base:16){
  @return ( $px / $base  ) *  1em
};
div{
  width:percentage(20px/20px);
  height:20*20px;
  min-width:length($list);
  color:nth($list,2);
  line-height: pxToem(20);
}

SassMeister-output.css

div {
  width: 100%;
  height: 400px;
  min-width: 3;
  color: #222222;
  line-height: 1.25em;
}