/* class */

  .title {
    text-align: center;
  }

  /* vp + header */

  header {
    flex-direction: column;
  }

  header ul {
    flex-direction: column;
    text-align: center;
  }

  header ul li {
    margin-top: 1.5rem;
    padding: 0.5rem;
    border-bottom: 1px dotted #ddd;
  }

  .vp-content h1 {
    padding-top: 1rem;
    font-size: 2rem;
    margin-bottom: 2rem;
  }

  .vp-content p {
    font-size: 1.5rem;
    font-weight: 400;
  }

  /* offer */

  .offer {
    padding: 5rem 1rem;
    text-align: center;
  }

  .offer-list {
    flex-direction: column;
  }

  /* who */

  .who {
    flex-direction: column-reverse;
  }

  .who-content-img {
    min-height: 300px;
  }

  .who-content-text {
    padding: 4rem 2rem;
  }

  /* testimonials */

  .testimonials-elem {
    flex-direction: column;
  }

  .testimonials-elem-reverse {
    flex-direction: column-reverse;
  }

  .testimonials-elem-profil {
    text-align: center;
  }

  .testimonials-elem-profil img {
    display: block;
    margin: 2rem auto;
  }

  /* contact */

  .contact {
    padding: 2rem 1rem;
  }

  .contact-form button {
    margin: 3rem auto 0 auto;
  }