body,input { background-color:#a3abb3; }
body,td    { font-family:verdana,arial,helvetica,geneva; font-size:10pt; font-weight:bold;  }
td         { padding:4px; }
h3         { font-size:12pt; }
h4,th      { font-size:10pt; letter-spacing:2pt; }
em         { color:#ffffff; background-color:#778899; }
.gleichung { white-space:nowrap; color:#990000; } 
a:link     { color:#000055; }
a:active   { color:#ccddee; }
a:visited  { color:#334455; }
a:hover    { color:#ffffff; }