.header {
    display:table;
    width:100%;
    margin:0;
    padding:0;
    background: url('images/header_background.png') top center no-repeat;
}

.headerContent {
    position:relative;
    margin:0 auto;
    width:980px;
    display:block;
    height:165px;
    }
    
.headerContent .logo {
	position:absolute;
	top:12px;
	left:15px;
	}