.t90 {	
display: block;
width: 610px;
height: 50px;
position: relative; 
top: 0;
left: 0;
margin: 0 0 20px 0;
padding: 0;
background: url(/images/t90.gif) no-repeat;
}

.tw90 {	
display: block;
width: 706px;
height: 50px;
position: relative; 
top: 0; 
left: 0;
margin: 0 0 20px 0;
padding: 0;
background: url(/images/t90.gif) no-repeat;
}

.tb_90 {	
display: block;
width: 706px;
height: 50px;
position: relative; 
top: 0; 
left: 0;
margin: 0 0 20px 0;
padding: 0;
background: url(/images/t90.gif) no-repeat;
}

.t_90 {	
display: block;
width: 610px;
height: 50px;
position: relative; 
top: 0;
left: 0;
margin: 0 0 20px 0;
padding: 0;
background: url(/images/t90.gif) no-repeat;
}