table.navi         { background-color: #fc9; text-align: center; width: 100% }
table.content     { padding: 50px; width: 100% }
td.navi  { }
a:hover    { text-decoration: none; background-color: #f96 }
a  { color: #f00; text-decoration: none }
.center { text-align: center }
a:visited   { color: #900 }
body  { background-color: #ffe4c4 }