body {
    font-family: Arial, Helvetica, sans-serif;
    margin:0px;
    padding:0px;
}
#header{
    background-color: rgb(125,125,125);
    margin:0px;
    padding:0px;
    height:220px;
}
#leftbar{
    background-color: rgb(175,175,175);
    width: 220px;
    float:left;
    height:100%;
    display:block;
}
#rightbar{
    background-color: rgb(175,175,175);
    width: 220px;
    float:right;
}
#content{
    background-color: rgb(215,215,215);
    float:left;
    width:calc(100% - 440px);
}
#footer{
    background-color: rgb(180,180,180);
    clear:both;
}