On my website, I can't get the dancing silhouette in the background to stick to the bottom of the page on every monitor. When I googled the problem, all the tutorials taught me how to stick a horizontal footer on the bottom, but not a layered (with z-index) element. Is there any way to do this?
Here's the url: http://xscapenightlife.webs.com
Here's what I have so far:
HTML
	
	
	
		
CSS 
	
	
	
		
			
			Here's the url: http://xscapenightlife.webs.com
Here's what I have so far:
HTML
		Code:
	
	<div class="container">
<div class="bgdancer"></div>
<!--content -->
</div>
		Code:
	
	.container {
	margin-left: auto;
	margin-right: auto;
	width: 905px;
	min-height: 100%;
	padding: 0px 100px 0px 100px;
	background: ;
}
.bgdancer {
	background: transparent url('dancer4.gif') no-repeat;
	width: 100%;
	min-height: 100%;
	position: fixed;
	bottom: 0px;
	left: 0px;
	z-index: -10;
	opacity: 0.5;
	filter: alpha(opacity=50);
} 
				