.bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
    background-color: white;
    /* background-image: url('<your_background_path>');
    background-image: image-set( url('<your_background_path>') type('image/webp'), url('<your_background_path>') type('image/png') ); */
}

canvas {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: auto;
    max-height: 100%;
    max-width: 100%;
}

.loading-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 10;
    background-image: url('../assets/images/loading_screen.webp');
    background-image: image-set( url('../assets/images/loading_screen.webp') type('image/webp'), url('../assets/images/loading_screen.png') type('image/png') );
}