.landscape {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    overflow: auto;
    background: #33313e;
    display: none;
    z-index: 9999;
  }
  
  .landscape span {
    position: absolute;
    right: 0;
    top: 50%;
    margin: 0;
    width: 100%;
    text-align: center;
    -webkit-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
  }
  
  .landscape span>p {
    color: #ccc;
    margin: 0;
    font-size: 16px;
  }
 
 /* orientation: landscape and max-device-width: 850px */
 @media only screen and (orientation: landscape) and (max-device-width: 450px) {
    .landscape {
      display: block
    }
  }