body{
  height: 100%;
  margin: 0;
  padding: 0;
  height: 100vh;
  background-image: url('paneau.png');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

a {
  position: relative;
  bottom: 200px;
  font-size: 50px;
  color: black;
  font-family: "Jazz LET", fantasy;
  text-decoration: none;
}