div {
width:10px;
left: 0px;
margin-left:0px;
top: 0px;
margin-top:0px;
height: 10px;
background-color: transparent;
font-size:11px;
}

.l0t0 {
position: absolute;
border-color:black;
border-width:0;
border-style:solid;

}
.l50t0 {
position: absolute;
width: 980px;
left: 50%;
margin-left:-500px;
top: 0px;
border-color:black;
border-width:0;
border-style:solid;
}