body {
  background-color: white;
  margin: 0;
  padding: 0; }

h1 {
  text-align: center;
  color: black;
  position: absolute;
  top: 50%;
  margin-top: -50px;
  width: 100%;
  font-size: 40px; }

.link {
  padding: 0.2em; }

.link img {
  opacity: 0.8;
  transition: all .2s ease-in-out; }

.link:hover img {
  opacity: 1;
  transform: scale(1.1); }

@media (max-width: 400px) {
  .link img {
    width: 70px;
    height: 70px; } }