#gamebox {
     border: none;
     box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
     width: 100%;
     max-width: 100%;
     aspect-ratio: 7 / 5;
     min-height: 320px;
     margin: auto;
     overflow: hidden;
     position: relative;
     background-color: #000;
}
#loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 24px;
    z-index: 10;
}