table.rahmen {
    caption-side: bottom;
    border-collapse: collapse;
    border: 1px solid silver;
    width: 96%;
    table-layout: fixed;
}
table.rahmen td, table.rahmen th {
    border: 1px solid silver;
    padding: 2px;
}
table.rahmen th {
    background: rgb(150,210,150);
    color: white;
}