body{
  margin: 0;
  background-image: url("https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fcdn.whatsonthestar.com%2Fuploads%2F1741025797573.jpeg&f=1&nofb=1&ipt=16ddbf76bcbbac43f75ebd58d1c7b9c00d905dc2ecb32f92f5393279825025b1"); 
  background-repeat: no-repeat;
  background-size: cover; 
}

h1{
  margin: 50px;
  font-family:Times;
  color: white;
  text-shadow: 0 0 20px #D12600;
  font-size: 110px;
  text-align: center;
}

a{
 text-decoration-color: white;
 text-shadow: 0 0 30px red; 
}

h2{
  color: white;
  text-shadow: 0 0 30px red;
  font-size: 50px;
}

.navig{
  display: grid;
  grid-template-columns: 1fr 1fr; 
}

.suite{
  text-align: right;
}

.retour{
  text-align: left;
}

p{
  color: white;
  text-shadow: 0 0 10px white;
  font-size: 20px;
}

nav {
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    background-color: #333;
    padding: 15px 0;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 0px;
    padding: 0px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}