Title image doesn't show up in IE8 help!!!!!

I’m tearing my hair out! Just can’t get my header image to show up in IE8. It’s fine in Firefox and Chrome…. Help!!!!

http://www.westuston.org

#site-title {
	float: left;
	font-size: 0px;
	line-height: 60px;
	margin: 0 0 0px 0;
	width: 750px;
  	background: url("http://www.westeuston.org/wp-content/uploads/2011/07/logo.png") no-repeat 0 0;
}