body { margin: 0; }
#OuterDiv
{
    margin: 0 auto;
    width: 870px;
}
    #MainAreaDiv
    {
        padding: 16px 0 10px 0;
        border-bottom: solid 2px #ee2d24;
    }
        #LeftAreaDiv
        {
            float: left;
            width: 570px;
            padding-right: 14px;
            /*border-right: solid 2px #ee2d24;*/
        }
        #RightAreaDiv
        {
            float: left;
            width: 270px;
            padding-left: 14px;
        }