body{
   font-family:Calibri,serif;
   color:#373f43;
   margin-right:5em;
}

#header{
   background-color:yellow;
   padding-left:0.5em;
   padding-top:0.5em;
   padding-bottom:0.2em;
   display: flow-root;
}
#header h1{
   margin:0em;
}

#menu{
   width:20em;
   float:left;
}

#main{
   margin-left:22em;
}

#menu ul{
   margin-top:7em;
   list-style-type: none;
}

#menu ul li{
   margin-right:2em;
   margin-top:0.1em;
   margin-bottom:0.1em;
   padding:0.4em;
   font-size:1.2em;
}

#menu ul li a{
   color:#373f43;
   text-decoration:none;
}

.aktuell{
   background-color:yellow;
   font-weight:bold;
}

.impressum{
   float:right;
   margin-top:1.1em;
   margin-right:0.5em;
}

.impressum a{
   color:#373f43;
}

h2{
   margin-top:4em;
   margin-bottom:1em
}

h3{
   margin-top:2em;
   margin-bottom:-0.3em;
}