@media handheld and (max-width: 650px), screen and (max-width: 650px), screen and (max-device-width: 650px)  {
  .nav_container, #nomsPanos, .head::before, .head::after{display: none;}
  .onglets{
    position: absolute;
    top: 15px;
    right: 0px;
  }
  .head{
    top: 0;
  }
  p.contentLogo{
    width: auto;
    top: 10px;
    left: 10px;
  }
}