.icon-cards {
    position: relative;
    width: 60vw;
    height: 40vw;
    max-width: 380px;
    max-height: 250px;
    margin: 0;
    color: white;
    perspective: 1000px;
    transform-origin: center;
}

.icon-cards__content {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-origin: center;
    transform-style: preserve-3d;
    transform: translateZ(-30vw) rotateY(0);
    animation: carousel 15s infinite cubic-bezier(0.77, 0, 0.175, 1) forwards;
}

.icon-cards__content.step-animation {
    animation: carousel 8s infinite steps(1) forwards;
}

.icon-cards__item {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 60vw;
    height: 40vw;
    max-width: 380px;
    max-height: 250px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, .1);
    border-radius: 6px;
    transform-origin: center;
}

.icon-cards__item:nth-child(1) {
    transform: rotateY(0) translateZ(35vw);
}

.icon-cards__item:nth-child(2) {
    transform: rotateY(120deg) translateZ(35vw);
}

.icon-cards__item:nth-child(3) {
    transform: rotateY(240deg) translateZ(35vw);
}

@keyframes carousel {
    0%,
    17.5% {
        transform: translateZ(-35vw) rotateY(0);
    }
    27.5%,
    45% {
        transform: translateZ(-35vw) rotateY(-120deg);
    }
    55%,
    72.5% {
        transform: translateZ(-35vw) rotateY(-240deg);
    }
    82.5%,
    100% {
        transform: translateZ(-35vw) rotateY(-360deg);
    }
}