audio {
  display: none;
 z-index: 500;}


button {
  font-size: 26px;
  color: #eee;
  position: left; bottom: 0;
  left: 1100px;
  width: 60px;
  padding: 12px;
  border: none;
  border-radius: 2px;
  outline: none;
  background: rgba(0, 0, 0, 0.8);
  box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
  opacity: 0.8;
  cursor: pointer;
   z-index: 500;
}



button.fade:hover {
  opacity: 0.8; z-index: 500;
}

.fade {
  opacity: 0.2;
  top: 0;
  left: 1100px;
   z-index: 500;
}