nifty grid work in sass

grid.scss

/*style several classes by prefix*/

[class*='col-'] {
	float: left;
  padding-right: $pad;
  .grid &:last-of-type {
  	padding-right: 0;
  }
}
.col-2-3 {
	width: 66.66%;
}
.col-1-3 {
	width: 33.33%;
}
.col-1-2 {
	width: 50%;
}
.col-1-4 {
	width: 25%;
}
.col-1-8 {
	width: 12.5%;
}