#block_1 {
height: 100%;
position: absolute;
top:0px;
left:100px;
right:100px;
background-color: #ffffff;
}
#logo {
width: 800px;
height: 100px;
position: absolute;
top:0px;
left:0px;
border: 1px solid blue;
}
#left {
width: 150px;
height: 300px;
position: absolute;
top:102px;
left:0px;
border: 1px solid blue;
}
#right {
width: 150px;
height: 300px;
position: absolute;
top:102px;
left:650px;
border: 1px solid blue;
}
#center {
width: 496px;
height: 300px;
position: absolute;
top:102px;
left:152px;
border: 1px solid blue;
}