body, a, div
{
    font-family:Arial;
    font-size:12px;
}
body
{
    background-color:LightGray;
}
div.mainarea
{
    width:800px;
    height:100%;
    margin-top:20px;
    margin-bottom:20px;
    background-color:White;
    border:solid 1px gray;
}