#header
{
	background: url(../images/header_left.png) top left no-repeat;
	height: 77px;
	position: relative;
}

#header_m
{
	background: url(../images/header_middle.png) top right no-repeat;
	height: 77px;
	position: relative;
}

@media all and (max-width: 576px) {
    td.col_hide_when_small, th.col_hide_when_small{
        display:none;
        width:0;
        height:0;
        opacity:0;
        visibility: collapse;
    }    
}