h2.titre {
  background-color: #fce5d1;
  padding: 1em;
  margin: 0.5em;
  text-align : center;
  border-radius: 4px;
}

input {
  width: 100%;
  padding: 12px 20px;
  margin: 8px 0;
  display: inline-block;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

input[type=submit] {
  width: 100%;
  background-color: #fad7a0;
  padding: 14px 20px;
  margin: 8px 0;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

input[type=submit]:hover {
  background-color: #fce5d1;
}

div.fond {
  border-radius: 5px;
  background-color: #f2f2f2;
  padding: 20px;
  margin: 0 0.5em;
}
form a {
  color: red;
  opacity: 0;
}

/* Media Query pour les tablettes */
@media (max-width: 768px) {
  h2.titre {
    padding: 0.75em;
    margin: 0.25em;
    font-size: 1.2em;
  }

  input {
    padding: 10px 15px;
    margin: 6px 0;
  }

  input[type=submit] {
    padding: 12px 15px;
  }

  div.fond {
    padding: 15px;
    margin: 0 0.25em;
  }
}

/* Media Query pour les mobiles */
@media (max-width: 480px) {
  h2.titre {
    padding: 0.5em;
    margin: 0.1em;
    font-size: 1em;
  }

  input {
    padding: 8px 10px;
    margin: 4px 0;
  }

  input[type=submit] {
    padding: 10px 10px;
  }

  div.fond {
    padding: 10px;
    margin: 0 0.1em;
  }
}