.float{clear:both;}
#container{width:950px;height:1000px;background:#A6C4BC;}
#header{width:100%;height:250px;background:#A3B6EA;}
.content-area{background:#C6EAE0;}
#left_sidebar{width:175px;height:600px;background:#696963;float:left}
#post_content{width:600px;height:600px;background:#D3FFD3;float:left}
#right_sidebar{width:175px;height:600px;background:#696963;float:right}
#footer{width:100%;height:150px;background:#C3C2C2;}