body {
      margin: 0;
      padding: 0;
      
      height: 100vh;
      width: 100vw;
    }
#unity-container { position: fixed; width: 100%; height: 100%; background-image: url('bg.png'); /* Replace with your image path */
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat; }
#unity-canvas { width: 100%; height: 100%; }
#unity-loading-bar { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none }
#unity-logo { width: 556px; height: 289px; background: url('main_logo.png') no-repeat center }
#unity-progress-bar-empty { margin-left: auto; margin-right: auto; width: 480px; height: 24px; margin-top: 10px; background: url('loading_bg.png') no-repeat center }
#unity-progress-bar-full { width: 0%; height: 17px; margin-left: 4px; margin-top: 10px; padding-top:7px; background: url('loading_bar.png') no-repeat left }
#unity-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }