html, body {
        background-image:url(hintergrund.jpg);
        background-size: cover;
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
        }

      .Menu {
        position:absolute;
        display:block;
        cursor:pointer;
        text-align:center;
        padding:13px 13px;
        font-family:arial;
        text-decoration:none;
        width:100px;
        color:#696969;
        left:84%;
        z-index:2;
        }

      a.Menu:hover {
        background-color: #F6F6F6;
        opacity: 0.5;
        }

      #Button1 {
        top:50px;
        }

      #Button2 {
        top:150px;
        }

      #Button3 {
        top:250px;
        }

      #Logo {
        position:absolute;
        top:4%;
        left:6%;
        width:14%;
        z-index:2;
        }

      #Inhalte {
        font-family:arial;
        font-size: small;
        color:#585858;
        position:absolute;
        top:17%;
        left:27%;
        padding:10px 10px;
        z-index:3;
        }

      #Inhaltebox {
        background-color: #FFFFFF;
        opacity: 0.7;
        display:block;
        position:absolute;
        top:18%;
        left:27%;
        width:39%;
        height:79%;
        padding:10px 10px;
        z-index:2;
        }

      h1 {
        font-family:arial;
        font-size: xx-large;
        position:absolute;
        color:#696969;
        top:5%;
        left:27%;
        z-index:3;
        }