body {
  font-family: Arial, sans-serif;
  background-color: #d9f0ff;
  color: #222;
  margin: 0;
  padding: 0;
  text-align: center;
}

header {
  background-color: #007acc;
  color: white;
  padding: 20px 0;
  font-size: 1.6em;
  font-weight: bold;
}

main {
  padding: 20px;
  max-width: 800px;
  margin: auto;
}

a.button {
  display: inline-block;
  background-color: #007acc;
  color: white;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  margin-top: 15px;
}

a.button:hover {
  background-color: #005fa3;
}

footer {
  margin-top: 40px;
  background-color: #f0f8ff;
  padding: 10px;
  font-size: 0.9em;
  color: #333;
}


.exercicio a {
  display: block;
  margin: 12px 0;
  padding: 18px;
  background-color: #FFD700;   /* Doré lumineux */
  text-align: center;
  text-decoration: none;
  color: #FF4500;              /* Orange vif */
  border-radius: 12px;
  border: 3px dashed #FF6347;  /* Bordure rose */
  font-size: 1.3em;
  font-weight: bold;
  transition: transform 0.3s, background-color 0.3s, color 0.3s;
}

.exercicio img {
  width: 60px;               /* Taille de la miniature */
  height: auto;
  margin-right: 15px;        /* Espace entre l'image et le texte */
  border: 2px solid #FF4500;
  border-radius: 6px;
}

.exercicio a:hover {
  transform: scale(1.08);
  background-color: #FF4500;  /* Inverse les couleurs au hover */
  color: #FFD700;
  cursor: pointer;
}