.titre{
  margin-top:20vh auto;
  font-size: 100pt;
  margin-top: 10vh;
  text-align: center;
  color: rgb(0, 136, 255);
  font-family: Arial;
  font-weight: bold;
}

.container {
          display: flex;
          align-items: center;         /* Vertical center */
          justify-content: center;     /* Optional: Horizontal center */
          height: 50vh;               /* Full viewport height */
          background-color: rgb(91, 216, 29);
        }