body {
width: 964px;
background-color: white;
margin: 15px auto;
border: 1px solid black;
}
h2 { padding: 1em;}
header {
border-bottom: 2px solid #ef9c00;
}
#sidebarA {
width: 180px;
height: 350px;
float: left;
border-right: 2px solid #ef9c00;
}
main {
width: 600px;
float: left;
}
#sidebarB {
width: 180px;
height: 350px;
float: right;
border-left: 2px solid #ef9c00;
}
footer {
clear: both;
border-top: 2px solid #ef9c00;
}