html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    overflow: hidden;
	background-color: black;
	color: white;
}

canvas {
    height: 100%;
    width: 100%;
    /* border: 2px solid black; */
}

/* Apply landscape-specific styles */
@media (orientation: landscape) {
  body {
    white-space: nowrap; /* Prevent line breaks in the text */
    overflow-x: hidden; /* Enable horizontal scrolling */
    overflow-y: hidden; /* Disable vertical scrolling */
  }

  /* Add some horizontal content for demonstration */
  .content {
    white-space: normal; /* Allow line breaks within this element */
    width: 100%; /* Adjust the width as needed 
    font-size: 24px;
    padding: 0px;*/
  }
}

#start-scene {
    display: flex;
    align-items: top;
    justify-content: center;
    height: 100vh;
    background-color: black;
    /* margin: 0 20px;
    เว้นขอบแนวนอนข้างล่ะ 20px */
    /* text-align: center; 
    background: url('../assets/img/BG_play.png') center center no-repeat;
    background-size: cover;*/
}

#start-canvas #game-canvas {
    display: block;
    width: 100%;
    height: 100%;
    border: 1px solid black;

    position: absolute;
    z-index: 1;
}

#้howto-canvas #question-canvas #quiz-canvas #result-canvas {
    position: absolute;
    /* left: 0;
    top: 0; */
    z-index: 100;
}