.fullscreen-video {
    position: fixed;
    overflow: hidden;
    top: 50%;
    left: 50%;
    filter: opacity(0.5);
    min-width: 100%;
    min-height: 100%;
    transform: translateX(-50%) translateY(-50%);
    z-index: -10;
}
        
        .bg-overlay {
            position: fixed;
            top: 0;
            right: 0;
            left: 0;
            bottom: 0;
            background-color: #000;
            opacity: 0.6;
            z-index: -9;
        }