.exemple {
  background: rgb(189, 215, 247);
}

.btn_exemple {
    background-color: rgb(200, 200, 200);
}
.hint {
  background: rgb(189, 215, 247);
  color: Indigo;
  border:1px solid black;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
  width: 100%;
  display: block;
  padding: 15px 15px 15px 20px;
  display: none;
}
.correction {
  background: rgb(189, 215, 247);
  color: Indigo;
  border:1px solid black;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
  width: 100%;
  display: block;
  padding: 15px 15px 15px 20px;
  display: none;
}
.button {
    background-color: rgb(189, 215, 247);
    border: 1px solid black;
    border-radius: 8px;
    color: Indigo;
    padding: 5px 10px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 12px;
}


.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
}