main{
   display: flex;
   justify-content: center;  
   background-image: url("../afbeeldingen/corthouts1.jpg");
   background-repeat: no-repeat;
   background-size: cover;
   background-position: center top;
}

h1{
   text-align: center;
   margin-bottom: 10px;
}

main li{
   margin-left: 24px;
   padding-top: 10px;
   padding-bottom: 5px;
}