.überschrift {
    font-size: 40px;
}

p{
font-size: 20px;
}
b{
    font-size: 20px;
}
.container {
    background-color:  rgb(192, 216, 255);
    margin-top: 100px;
    margin-bottom: 200px;
    margin-left: 250px; 
    margin-right: 250px; 
    padding: 20px;
}

@media only screen and (max-width: 600px) {
    .container{
margin-top: 400px;
margin-left: 50px;
margin-right: 50px;
margin-bottom: 250px;
    }
  }