body{
  overflow: hidden;
  margin: 0;
  display: flex; 
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.container{
  position:absolute;
  top:0;
  left:0;
  height:80%;
  width:30%;
  text-align:justify;
  color:white;
  font-family:cursive;
  z-index: 10;
}

/* Style cho nút điều khiển âm thanh */
#audio-control {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 10px 15px;
    background-color: #ff00ff; /* Màu mặc định: Hồng tím */
    color: white;
    font-family: sans-serif;
    cursor: pointer;
    border-radius: 5px;
    z-index: 100;
    box-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
    transition: background-color 0.3s;
}

#audio-control:hover {
    background-color: #cc00cc;
}