html, body {
  background-image: url("./Images/le-juste-prix.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  min-width: 500px;
}

header {
  color: rgb(39, 141, 236);
  text-align: center;
  font-size: 8em;
  font-weight: bold;
}

#block_jeu {
  width: 1200px;
  margin-top: 300px;
}

#instructions {
  color: white;
}

.instruction {
  padding: 15px;
  margin: 10px 0;
}

.plus {
  background-color: #f67280;
}

.moins {
  background-color: #ffa372;
}

.fini {
  background-color : #0c9463;
}