ArtPlayer/packages/artplayer/src/style/mask.scss

.artplayer-video-player {
    .artplayer-mask {
        display: none;
        position: absolute;
        z-index: 40;
        left: 0;
        top: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
    
        .art-playBig {
            position: absolute;
            right: 30px;
            bottom: 65px;
            opacity: .6;
        }
    }
}