@media only screen and (orientation:landscape) {
    #turn { display:none; }
    #preloadContainer { display:block; }
    #viewer { display:block; }
  }
   
  /* (B) CORRECT ORIENTATION - SHOW CONTENT HIDE MESSAGE */
  @media only screen and (orientation:portrait) {
    
    #turn { display:block; }
    #preloadContainer { display:none; }
    #viewer { display:none; }
  }