/* Styles généraux */
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  color: #333;
}

/* En-tête et image de fond */
header {
  position: relative;
  background-image: url('Lycee.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: white;
  text-align: left;
  padding: 1rem;
  min-height: 300px;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.1);
  z-index: -1;
}

/* Menu de navigation */
nav {
  background-color: #333;
  text-align: center;
  padding: 0.5rem;
}

nav ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

nav ul li {
  display: inline;
  margin-right: 1rem;
}

nav ul li a {
  display: inline-block;
  text-decoration: none;
  color: white;
  padding: 0.5rem 1rem;
}

nav ul li a:hover {
  background-color: #555;
}

/* Contenu principal */
main {
  padding: 2rem;
}

/* Pied de page */
footer {
  text-align: center;
  padding: 1rem;
  background-color: #333;
  color: white;
}