a basic toolset of css classes that define dimensions
Width
width none .wn
.wn
width extra small .wxs
.wxs
width small .ws
.ws
width medium .wm
.wm
width large .wl
.wl
width max .wx
.wx
width extra large .wxl
.wxl
width extra extra large .wxxl
.wxxl
width 100% .wmax
.wmax