body {
  background-color: #262626;
}

.centrer {
  width: 100%;
  max-width: 500px;
  margin: 10% auto;
  text-align: center;
}

form {
  background-color: #ffffff;
  padding: 40px 30px;
  border-radius: 15px;
  min-width: 300px;
}

form h1 {
  color: #ffa927;
  text-align: center;
  margin-bottom: 20px;
}

form p.choix-mail {
  text-align: center;
  margin-bottom: 20px;
}

form .inputs {
  display: flex;
  flex-direction: column;
}

form .inputs input[type='mail'],
input[type='mot_de_passe'],
input[type='nom'],
input[type='prenom'] {
  padding: 15px;
  border: none;
  border-radius: 5px;
  background-color: #f2f2f2;
  outline: none;
  margin-bottom: 15px;
}

form input[type='submit'] {
  padding: 15px 25px;
  border-radius: 5px;
  border: none;
  font-size: 15px;
  color: #fff;
  background-color: #ffa927;
  outline: none;
  cursor: pointer;
}

.p {
  color: #fff;
  font-size: 20px;
  margin-left: 20px;
  display: flex;
  justify-content: flex-start;
}

a {
  text-decoration: none;
  color: #ffa927;
  font-size: 20px;
  margin-left: 20px;
  display: flex;
  justify-content: flex-start;
}

@media screen and (max-width: 768px) {
  .centrer {
    margin: 5% auto;
    padding: 0 5%;
  }

  form {
    padding: 30px 20px;
  }

  form h1 {
    font-size: 24px;
  }

  input[type='mail'],
  input[type='mot_de_passe'],
  input[type='nom'],
  input[type='prenom'] {
    font-size: 16px;
  }

  .p, a {
    font-size: 16px;
    margin-left: 10px;
  }
}