.hero-bg {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000px;
    perspective: 1000px;
    
    -webkit-transition: opacity 2s ease-in-out;
    transition: opacity 2s ease-in-out;
    
    will-change: opacity;
    
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

@supports (-webkit-appearance: none) {
    .hero-bg {
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }
}

#hero-banner {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}