body {
            animation: fadeInAnimation ease 5s;
            animation-iteration-count: 1;
            animation-fill-mode: forwards;
        }
        @keyframes fadeInAnimation {
            0% {
                opacity: 0;
            }
            100% {
                opacity: 1;
            }
        }

.main {
  font-family: Futura, "Trebuchet MS", Arial, sans-serif;
  position: absolute;
  text-align: center;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.header { 
  font-size: 60px;
}

a:link {
  text-decoration: none;
}