.banner {
width: 760px;
height: 80px;
border-top: 1 solid #000000;
border-bottom: 1 solid #000000;
}

.middle {
width: 290px;
height: 400px;
border-top: 1 solid #000000;
border-bottom: 1 solid #000000;
}

.left {
width: 170px;
border-top: 1 solid #000000;
border-bottom: 1 solid #000000;
border-left: 1 solid #000000;
border-right: 1 solid #000000;
}

.right {
width: 300px;
border-top: 1 solid #000000;
border-bottom: 1 solid #000000;
border-right: 1 solid #000000;
}

.foot {
width: 760px;
}