/* Style global */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #333;
}

/* En-tête */
header {
  background-color: #0073e6;
  padding: 10px 0;
  text-align: center;
}

header .logo img {
  height: 50px;
}

/* Contenu principal */
main {
  padding: 20px;
}

.content {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.content h1 {
  color: #0073e6;
}

.content h2 {
  color: #005bb5;
}

.content ul {
  list-style-type: disc;
  margin-left: 20px;
}

.content a.btn-back {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background-color: #0073e6;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  text-align: center;
}

.content a.btn-back:hover {
  background-color: #005bb5;
}

/* Pied de page */
footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 10px 0;
}