body{
          font-size: 1em;
      }

      width: 800px;
      margin-left: auto;
      margin-right: auto;

      h1{font-size: 1.5em;}
      h2{font-size: 1.3125em;}
      h3{font-size: 1.125em;}
      p{font-size: 1em;}
      
      #mz{  
     
}
      .img {
       width: 30%;
       margin: 1%;
       box-sizing: border-box;
       border-radius: 50% 50%;
       box-shadow: black 0px 0px 5px;
     }


      
          #header{ 
              padding: 8px 2%;
              text-align: center;
             }
      #menu{ 
            padding: 8px 2%;
            text-align: center;
           }
        #sidebar{ 
            padding: 8px 2%;
            text-align: center;
           }

      #inhalt{
        font-size: 1em;
        width: 760px;
        margin-left: auto;
        margin-right: auto;
        }
/* Fixed Nav Bar */
.topnav {
  background-color: #333;
  overflow: hidden;
  position: fixed;
  top:0;
width: 760px;
        margin-left: auto;
        margin-right: auto;
}


/* Style the links inside the navigation bar */
.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}


/* Change the color of links on hover */
.topnav a:hover {
  background-color: #ddd;
  color: black;
}


/* Add a color to the active/current link */
.topnav a.active {
  background-color: #4CAF50;
  color: white;
}
      
      #reklame{  }

      #footer{ 
              padding: 8px 2%;
              text-align: center; 
             }