body {background-color:lightblue; font-family:arial; color:black}
td.dunkel {background-color:#FFFF00}
b {color:red}
a:link {color:black; text-decoration:none}
a:visited {color:black; text-decoration:none}
a:hover {color:red; text-decoration:none}
a:active {color:red; text-decoration:none}