.menu {
  position: absolute;
  left: 50%;
  top: 25%;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  z-index: 100;
}

.menu button{
  background-color: rgba(0,0,0, 0.75);
  color:#f4e437;
  display: block;
  font-family: Rockwell;
  font-size: 30px;
  moz-border-radius: 20px;
  -webkit-border-radius: 20px;
  outline: none;
  padding:5px 5px;
}

.menu button:hover{
  cursor: pointer;
}