body {
     font-family: Arial;
     background: #f0f8ff;
     text-align: center;
 }

 h1 {
     color: darkblue;
 }

 button {
     padding: 10px 20px;
     border-radius: 8px;
     cursor: pointer;
 }

 button:hover {
     transform: scale(1.2) rotate(5deg);
     background: gold;
 }

 h1 {
     animation: schweben 2s infinite alternate;
 }

 @keyframes schweben {
     from {
         transform: translateY(0);
     }

     to {
         transform: translateY(-10px);
     }
 }