.mijndiv {
    background-color: rgb(211,211,211);
}

body {
    font-family: Arial, Helvetica, sans-serif;
}

.mijndiv1 {
    width: 320px;
    padding: 10px;
    border: 1px solid;
    margin: 0;
}

.mijndiv2 {
    width: 320px;
    padding: 50px;
    border: 1px solid;
    margin: 0;
}