html {
    height: 100%;
    position: relative;
}

body {
    margin: 0;
    overflow: hidden;
}

.slide {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: opacity 0.7s ease-in-out;
    overflow: hidden;
}

video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    height: 100%;
    object-fit: cover;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
}

.invisible {
    opacity: 0;
    pointer-events: none;
}