@keyframes loop {
    0% { transform-origin: 0% 50%; transform: scale3d(0,1,1); }
    50% { transform-origin: 0% 50%; transform: scale3d(1,1,1); }
    51% { transform-origin: 100% 50%; }
    100% { transform-origin: 100% 50%; transform: scale3d(0,1,1); }
}

.hover-reveal {
    position: fixed;
    width: 250px;
    height: 200px;
    top: 0;
    left: 0;
    pointer-events: none;
    opacity: 0;
    z-index: 9;
}

.hover-reveal__inner,
.hover-reveal__img {
    width: 100%;
    height: 100%;
    position: relative;
}

.hover-reveal__img {
    background-size: cover;
    background-position: 50% 50%;
}