* {margin:0;padding:0;} 

html, body {height: 100%;}

#wrap {min-height: 100%;}

#main {overflow:auto;
	padding-bottom: 150px;}  /* must be same height as the footer */

#footer {position: relative;
	margin-top: -160px; /* negative value of footer height */
	height: 160px;
	clear:both;} 

/*Opera Fix*/
body:before {
content:"";
height:100%;
float:left;
width:0;
margin-top:-32767px;
}