* { 
    box-sizing: border-box;
    -moz-box-sizing: border-box;
}

body {
    overflow: auto;
}

#inhoud {
    height: 434px;
    left: 10px;
    overflow: auto;
    position: absolute;
    top: 110px;
    width: 700px;
}

#menu {
    height: 40px;
    left: 20px;
    position: absolute;
    top: 10px;
    width: 700px;
}

#site {
    height: 536px;
    left: 191px;
    position: absolute;
    top: 50px;
    width: 720px;
}

#submenu {
    height: 576px;
    left: 30px;
    position: absolute;
    top: 0px;
    width: 160px;
}

#balk {
    height: 110px;
    left: 190px;
    position: absolute;
    top: 50px;
    width: 814px;
    z-index: 0;
}