.fullBackground {
  background-position: center center;
  background-attachment: scroll;
  background-size: cover;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /*test*/
  -webkit-transform: none;
          transform: none;
}

 /*.mobile .fullBackground {
  background-size: auto;
  background-position: auto;
  position: auto;
 /* test-showing-blackscreen:  background-repeat: no-repeat;*/
  /*background-attachment: scroll;
 
 height: 100%;
}*/

.caption {
  font-size: 30pt;
  text-transform: uppercase;
  color: #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.caption:after {
  content:"\A";
  width:10px;
  height:10px;
  border-radius:50%;
  background: #00bbeb;
  display: inline-block;
  margin: 0 0 -2px;
}