.deux-colonnes { 
  display: flex; 
  justify-content: space-around; 
  align-items: flex-start; 
  margin-top: 30px; 
} 

.colonne { 
  width: 45%; 
  text-align: center;
} 

.colonne img { 
  margin-top: 10px; 
}

table th,
table td {
  text-align: center;
  vertical-align: middle;
}

button {
  background-color: #cfffff;
  color: #006666;
  border: 2px solid #006666;
  padding: 12px 25px;
  font-size: 1.1em;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}