.l0t0{
position: absolute;
left: 0;
top: 0;
width: 100;
height:100;
border-style: solid;
border-width: 0;
border-color: #00CEF7;
visibility: visible;
z-index:1;
}
.l50t0{
position: absolute;
left: 50%;
margin-left:-400px;
top: 0;
width: 800;
height:100%;
border-style: solid;
border-width: 0;
border-color: #00CEF7;
visibility: visible;
z-index:0;
}