body {
  margin: 0;
  font-family: Arial;
  background: #0b1d3a; /* bleu marine */
  color: white;
}

.container {
  display: flex;
  height: 100vh;
}

/* gauche */
.left {
  width: 25%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 40px;
  font-weight: bold;
  border-right: 2px solid rgba(255,255,255,0.2);
}

/* droite */
.right {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* bloc vert */
.box {
  background: green;
  padding: 20px;
  text-align: center;
  width: 70%;
}

.box img {
  width: 100%;
  margin-top: 10px;
}