.gallery {
    position: relative;
    width: 100%;
    height: 80vh;
    overflow: hidden;
}

.track {
    display: flex;
    width: 300%;
    height: 100%;
    transform: translateX(-33.3333%);
}

.track.animate {
    transition: transform .45s ease;
}

.slide {
    width: 33.3333%;
    height: 100%;
    flex-shrink: 0;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;

    opacity: 1;
    transition: opacity .2s ease;
}

.slide img.loading {
    opacity: 0;
}


.slidenav {
	position: absolute;
    top: 50%;
    transform: translateY(-50%);

    z-index: 10;

    background: rgba(0,0,0,.35);
    color: white;

    border: 0;
    padding: 12px 18px;

    font-size: 36px;
    cursor: pointer;
}

.prev {
    left: 20px;
}

.next {
    right: 20px;
}

.slidenav:hover,
.slidenav:focus {
    background: rgba(0,0,0,.6);
    outline: none;
}

.slidenav:active {
    transform: translateY(-50%) scale(0.95);
}