.l0t0{
position: absolute;
left: 0px;
top: 0px;
width: 10px;
height: 10px;
border-style: solid;
border-color: black;
border-width: 0px;
z-index: 1;
visibility: visible;
}

.l50t0{
position: absolute;
left: 50%;
margin-left:-350;
top: 0px;
width: 700px;
height: 10px;
border-style: solid;
border-color: black;
border-width: 0px;
z-index: 1;
visibility: visible;
}