* {
      box-sizing: border-box;
    }


    body {
      margin: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: #f5f6fa;
      text-align: center;
    }
    .top-bar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background-color: #ffffff;
      padding: 1.5vh;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      overflow-x: auto;
      white-space: nowrap;
    }

    .alpha-button {
      width: 6vh;
      height: 6vh;
      background-color: #007bff;
      color: white;
      border: none;
      border-radius: 0.8vh;
      font-size: 2.4vh;
      font-weight: bold;
      cursor: pointer;
      margin: 0 0.5vh;
      display: inline-block;
      transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .alpha-button:hover {
      background-color: #0056b3;
      transform: scale(1.1);
    }

    .content {
      padding-top: 12vh;
      font-size: 2vh;
    }

    #image-display img {
      width: 500px;
      height: 500px;
      object-fit: contain;
      border: 2px solid #ccc;
      border-radius: 10px;
      margin-top: 20px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .info-text {
      color: #007bff;
      margin-top: 2vh;
      color: #333;
      font-size: 4vh;
      font-weight: bolder;
    }