html {height: 100%; margin-bottom: 1px; } 
<!--[if gte IE 6]>
<style type="text/css">
html {overflow-y:scroll;background:url(http://how2do-video.de/background.jpg);}
</style>
<![endif]-->

body
{ font-family: verdana, arial, sans-serif;
  padding: 0px;
  margin: 0px;
  font-size:0.68em;
}

*{font-family:verdana,arial;padding:0px;margin:0px;}

/* margin lefts / margin rights - to centre content */
#main, #footer, #content
{ margin-left: auto; 
  margin-right: auto;
}

/* main container */
#main{width: 914px;}

/* links above the logo / footer */



#footer{text-align: center;font-size:10px;
padding: 10px 21px 0px 19px;
  width: 853px;
  height: 56px;
  font-size: 94%;

}
#header{width:100%;height:80px;}
.nav {color:white;font-weight:bold;margin-left:7px;width:150px;background:url(images/leisteobeninaktiv.jpg);padding:5px;padding-left:40px;padding-right:40px;display:inline;line-height:56px;border-top:1px solid silver;border-left:1px solid silver;border-right:1px solid silver;}
.navcurrent {color:white;font-weight:bold;margin-left:7px;width:150px;background:url(images/leisteoben.jpg);padding:5px;padding-left:40px;padding-right:40px;display:inline;line-height:56px;border-top:1px solid silver;border-left:1px solid silver;border-right:1px solid silver;}

#content {
  width:893px;


  height: auto;
  padding: 0px;
  overflow: hidden;
 }
input {border:1px solid #777;font-size:11px;height:18px;border:1px solid silver;}
#suchen{position:relative;top:-4px;left:-42px;}
.inputbutton{position:absolute;margin-left:2px;width:20px;height:20px;background:url(images/suche.jpg);}
#suchen{margin-top:-5px;}
h1{font-size:14px;color:#555666;}
h2{font-size:11px;color:#555666;margin-bottom:10px;}
#Inhalt{  padding:5px;width:888px;}
#rechts{width:410px;float:right;padding-ri90t:12px;}
#links{width:450px;border-right:1px solid silver;}

.infobox{padding-left:12px;font-size:11px;background:url(images/leisteinfo.jpg) repeat-x #FFFFFF;border:1px solid #014A7F;margin-bottom:35px;}
h3{color:white;font-weight:normal;line-height:20px;font-size:11px;margin-left:2px;margin-bottom:3px;}
#infobox h3{color:white;font-weight:normal;line-height:20px;font-size:11px;margin-left:2px;margin-bottom:3px;}
.grau {color:#454545;}
a{color:#277E02;text-decoration:none;}
a:visited{color:#277E02;text-decoration:none;}
a:hover{color:#014A7F;text-decoration:underline;}
#navigation a{color:white;text-decoration:none;}
#navigation {background:url(images/leiste.jpg);padding-left:50px;margin-top:20px;}
td{font-size:10px;}
#headermenu{position:relative;left:0px;top:-13px;}
#headermenu a{margin-left:0px;font-size:12px;}
p{font-size:11px;line-height:1.5em;text-align:justify;}
img{border:none;}

#welcome{width:390px;font-size:11px;color:#014A7F;line-height:1.5em;text-align:justify;padding-right:30px;}
#welcome p{color:#014A7F;font-size:11px;}

.homeliste{font-size:26px;color:#85A65D;margin-left: 16px; padding: 0;list-style:url(images/list.jpg);}

.homeliste2{font-size:12px;color:red;margin-left: 26px; padding: 0;list-style:url(images/list.jpg);}
.homeliste3{font-size:12px;color:#014A7F;margin-left: 26px; padding: 0;list-style:url(images/list.jpg);}
.autocomplete{
position:relative;
z-index:99999999;
  border: 1px solid #000;
  background-color: #FFF;
  filter:alpha(opacity=85);
  -moz-opacity:0.85;
}

.autocomplete li{
list-style:url(images/list2.jpg);
margin-left:25px;
font-size:10px;
}


.autocomplete li:hover{

  background: #85A65D;
  color: #fff;
  cursor:pointer;
}

a{color:#277E02;}