body {
  margin: 0;
  padding: 0;
  text-align: left;
}


h1 {text-align: center;}

#Titel {text-align: center;
        border-style: solid;
        border-color: grey;
        border-width: thin;
        background-color: silver;
        height: 43px;
        width: 1004px;
        font-size: medium;
        }

#Navigation {border-style: solid;
             border-color: grey;
             border-width: thin;
             height: 650px;
             width: 170px;
             float: left;
             font-size: large;
             color: yellow;
             text-align: center;
             text-decoration: underline;
             }

#Hauptseite {
             border-style: solid;
             border-color: grey;
             border-width: thin;
             background-color: silver;
             height: 650px;
             width:1004px;
             font-size: large;
             }


#Liste-1 {
             width: 260px;
             height: 563px;
             float: left
             }

#Liste-2 {
             width: 260px;
             height: 563px;
             float: left;
             }

#Liste-3 {
             width: 260px;
             height: 563px;
             float: left;
             }

.Roland_Rosenfeld {margin: 30px;}