body
{ 
  background-image:url(images/balken.gif); background-repeat:repeat-x;
  background-color:#FFCC00;
  font-family: century gothic, verdana, Arial;

  color:#F00000;
}

h1
{ 
  font-size:18;
  font-weight:bold;
}

h2
{ 
  font-size:16;
  font-weight:bold;
}

h3
{ 
  font-size:18;
  font-weight:bold;
}

h4
{ 
  font-size:16;
  font-weight:bold;
}

table
{
  width:100%;
}

a	  { font-weight:bold; color:#FFCC00; text-decoration: none}
a:focus	  { color:#FFFF00;}
a:hover	  { color:#FFFF00;}
a:active  { color:#FFFF00;}

#button1, #button2, #button3, #button4, #button5
{
  font-size:20;
  text-align:center;
}


#content {
         width: 860px auto;
         height: 500px;
         overflow: auto;
}

<style type="text/css">

ul.menu, ul.menu ul {
    list-style-type: none;
}

ul.menu a {
    display: block;
    padding: 3px 10px 3px 10px;
    font-size: 12px
    font-weight: bold;
    width: 195px;
}

ul.menu li {
    padding: 0;
    margin: 0;
    float: left;
    background-color: #E70000;
    border:0px solid #26383D;
    height: 20px;
	       list-style-type: none;
}

/* Für Unterpunkte keine Float-Eigenschaft */

ul.menu ul li {
    padding: 0px 10px 3px 3px;
    float:none;
    background-color: #E70000;
    height: 20px;
    width: 200px;
    font-size: 12px;
}

/* Links auf Unterpunkten sollen die Hintergrundfarbe ändern */

ul.menu ul li.hover, ul.menu ul li:hover {
    background-color: #FFF9E4;
    background-color: #850000;
    list-style-type: none;
}

/* Zweite Ebene */
        ul.menu ul {
              margin:0;
              padding: 0;
              position: absolute;
              background-color: #26383D;
              border: 0px solid #FFF9E4;
              display: none;
     }
   /* Zweite Ebene anzeigen */
       ul.menu li.hover ul, ul.menu li:hover ul  {
               display: block; 
	       list-style-type: none;
   }

/* Dritte Ebene */
   ul.menu li.hover ul ul, ul.menu li:hover ul ul {
                  display: none;
                    margin-left: 160px; /* Breite eines Listenelements - Überlagerung */
              margin-top: -20px; /* Höhe eines Listenelements */
        }
   /* Dritte Ebene anzeigen */
       ul.menu li.hover ul li.hover ul, ul.menu li:hover ul li:hover ul {
                display: block;
   }

/* Vierte Ebene */
     ul.menu li.hover ul li.hover ul ul, ul.menu li:hover ul li:hover ul ul {
                  display: none;
    }
   /* Vierte Ebene anzeigen */
       ul.menu li.hover ul li.hover ul li.hover ul , ul.menu li:hover ul li:hover ul li:hover ul {
               display: block;
   }

ul.menu2, ul.menu2 ul {
    list-style-type: none;
}

/* seitliches Menü */
span.hidden {
    position:absolute;
    left:-1000px;
    top:-1000px;
    width:0;
    height:0;
    overflow:hidden;
    display:inline;
}
div#mainmenu {
    background-color: #d5d5d5;
    background-color: #E70000;
    width: 130px;
    border: 0px solid black;
    border-bottom: 0px;
}
div#mainmenu * {
    margin: 0px;
    padding: 0px;
    color: black;
    color: FFCC00;
}
div#mainmenu .cur {
    color: green;
}

div#mainmenu .act {
    color: blue;
}
div#mainmenu ul {
    list-style-type: none;
}
div#mainmenu ul li {
    border-bottom: 1px solid black;
}

div#mainmenu ul li a,
div#mainmenu ul li div {
    padding: 3px 3px 3px 10px;
    text-decoration: none;
    font-family: verdana,arial,helvetica, sans-serif;
    font-size: 12px;
    font-weight: bold;
    display: block;
}
div#mainmenu ul li a:hover {
    background-color: #850000;
}
div#mainmenu ul ul {
    background-color: #e5e5e5;
}
div#mainmenu ul ul li {
    border-bottom: none;
}
div#mainmenu ul ul li a,
div#mainmenu ul ul li div {
    font-size: 10px;
    padding-left: 25px;
}
div#mainmenu ul ul li a:hover{
    background-color: #ddddff;
}

</style>