*{
  	margin: 0;
    padding: 0;
}

html{
    min-height: 100%;
}

body{
    min-height: 100%;
    background-color: grey;
    background-image: url("pics/Ape_Sonne.jpg");

    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: 50% 40%;
}
/* Navileiste*/
nav{
    width: 100%;
    height: 85px;
    background-color: rgba(128, 255, 0, 0.301);
    box-shadow: 2px 2px 4px rgba(0,0,0,0.11);
}
nav ul{
    float: right;
}
nav ul li{
    float: left;
    list-style: none;
    position: relative;
}
nav ul li a{
    font-family: "comic sans ms", Arial, Helvetica, sans-serif;
    color: black;
    font-size: 24px;
    text-decoration: none;
    padding: 28px;
    display: block;
}
nav ul li a:hover{
    background-color: chartreuse;
}
nav ul li ul{
    display: none;
    position: absolute;
    background-color: rgba(128, 255, 0, 1);
    padding: 7px;
    border-radius: 0px 0px 12px 12px;
}
nav ul li:hover ul{
    display: block;
}
nav ul li ul li a{
    color: black;
    padding: 16px 20px;
    border-radius: 10px;
}
/*genereller Style*/

.aufbau{
  background-color: white;
  width: 500px;
  text-align: left;
  margin-left: 50px;
  margin-top: 50px;
}

.mainh1{
  text-align: center;
  background-color: rgba(0, 0, 0, 0.589);
  color: chartreuse;
  height: auto;
  width: max-content;
  margin: 50px;
}