#intro {
  display: block;
  position: relative;
  width: 100%;
  height: 300px;
  z-index: 1;
  object-fit: cover;
}

header {
  position: relative; /* position de référence pour h1 */
  width: 100%;
  max-width: 1342px;
  margin: auto;
}

body {
  background: linear-gradient(to right, #3d4976, #6374b5);
  margin: 0; /* Évite les marges par défaut */
  padding-top: 60px; /* Décale le contenu sous le bandeau */
}

h1 {
  position: absolute;
  z-index: 2;
  color: white;
  left: 50%;
  transform: translateX(-50%);
  font-family: impact;
  top: 20px;
  font-size: 48px;
}

.art {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 100px;
  background-color: #34406b;
  border-radius: 20px;
  height: 100px;
  align-items: center; /* pour centrer verticalement le texte */
}

.art h2 {
  font-size: 40px;
  color: white;
}

.bandeau {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: black;
  color: white;
  padding: 15px;
  text-align: center;
  z-index: 1000;
}
.lienbandeau{
  color: white;
  font-family: "Jazz LET", fantasy;
  text-decoration: none;
}


.def {
  position: relative;
  font-size: 30px;
  top:40px;
  border-radius: 20px;
  background-color: #9ea1fd;
  padding: 10px;
}

thead{
  background-color: #4f3da1;

}

#tableau {
  padding: 50px;
}