body {
    margin: 0px 0px 1px 0px; /* the extra 1px allows the iOS inner/outer check to work */
    background: #000;
}

#orientation {
    margin: 0 auto;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(../images/gui/orientation.jpg); 
    background-repeat: no-repeat;
    background-position: center;
    background-color: rgb(0, 0, 0);
    z-index: 999;
    display: none;
}

/* advertisement */

#adv_mainContainer {
   z-index: 1;
  position: fixed;
  width: 640px;
  height: 360px;
  display: none;
  background: none;
  overflow: hidden;
  pointer-events:all;
  display:none;
}

#adv_content, #adv_adContainer {
     z-index: 1;
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
 overflow: hidden;
 /*pointer-events:all;*/
}

#adv_contentElement {
  width: 0px;
  height: 0px;
  overflow: hidden;
}