body {
background-color: black;
color: yellow;
font-family: Arial, Helvetica, Verdana, sans-serif;
}
table {
padding: 5px; border-style: ridge; border-color: green; border-width: 8px;
}

.unten:hover {
text-decoration: none;
background-color: #ffcc33;
color: #000000;
}
A {
text-decoration: none;
color: yellow;
}
A:hover {
background-color: blue;
color: yellow;
}