@media only screen and (max-width:900px){
  header h1{
    font-size: 50px;  
    }
    
}

@media only screen and (max-width:780px){
  header h1{
    font-size: 40px;  
    }

  
#geocaching{
 display: none;
}  
    
}


@media only screen and (max-width:655px){
   
  #datumCas p{
    font-weight: 400;
    font-size: 10px;
  }
  
}