more compass sprites

gistfile1.scss

// making use of width/height magic selectors
.icon-giant-killer-bear {
  $width: icons-sprite-width(giant-killer-bear);
  $height: icons-sprite-height(giant-killer-bear);
  @include icons-sprite(giant-killer-bear);
  @include size($width, $height);
  margin: 0 4px 0 0;
  vertical-align: text-bottom;
}