A simple CSS layout grid that suits liquid layouts

Simple CSS Liquid Grid

.grid_container{
	position:relative;
	width:100%;
}

.grid_half{
	width:50%;
	float:left;
}

.grid_third{
	width:33%;
	float:left;
}

.grid_quarter{
	float:left;
	width:25%;
}

.grid_last{
	float:right;
	clear:right;
}

.grid_first{
	float:left;
	clear:left;
}