body {
  position: relative;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* overflow: hidden; */
  min-height: 100vh;
  background: url(../img/bloodblades_menu01bbb.png) center center/ cover no-repeat;
  overflow:hidden;
  overflow-y:visible;
}

.pre-scene-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  /*background: url(../img/forest_grey_foggy.jpg) center center/ cover no-repeat;*/
  background: url(../img/bloodblades_menu01bbb.png) center center/ cover no-repeat;
  overflow: hidden;
  z-index: 99;
}

.spotlight {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle, transparent 160px, rgba(0, 0, 0, 1) 200px);
}

.bat {
  position: absolute;
  top: 0%;
  left: 0%;
  width: 125px;
  height: 125px;
  background: url(../img/vampire-bat-flying-1.gif) center center/ contain no-repeat;
  opacity: 0.2;

  /* animate bat movements (speed), adjust with interval time */
  transition: top 3s, left 3s;
}

.hidden {
  display: none;
}

.scene-swap-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85);

  transition: opacity 1.5s ease-out;
}

.bats-fly {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: url(../img/giphy.gif) center center/ cover no-repeat;
  opacity: 0.4;
}