H1 {
    text-align: center;
    color: black;
    font: normal 30pt "Georgia"
}

hr {
    color: #009EE0;
    border: none;
    border-top: 2px solid #009EE0;
    height: 2px;
    width: 75%;
}

H2 {
    text-align: center;
    color: black;
    font: normal 16pt "Georgia"
}

H3 {
    text-align: center;
    color: black;
    font: normal 12pt "Georgia"
}

img {
    display: block;
    margin: auto;
    width: 40%;
}

.nav{
    list-style: none
    margin:0;
    padding:0;
    text-align:center;
 }
.nav li{
    display:inline;
  }
.nav a{
    text-decoration: none;
    display:inline-block;
    padding:3px;
    color: black;
    font: normal 16pt "Georgia"
 
}

links_container{
float: left;
width: 50%;
height: 200px;
}

rechts_container{
float: right;
width: 50%;
height: 200px;
}