.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);
  -webkit-animation: carousel 10s infinite cubic-bezier(0.77, 0, 0.175, 1) forwards;
          animation: carousel 10s infinite cubic-bezier(0.77, 0, 0.175, 1) forwards;
}
.icon-cards__content.step-animation {
  -webkit-animation: carousel 8s infinite steps(1) forwards;
          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, 0.1);
  border-radius: 6px;
  transform-origin: center;
}
.icon-cards__item:nth-child(1) {
  background: #de4f32;
  background-image: url(https://plusradiobranding.bk.tl/images/card_intervox_bg.svg);
  transform: rotateY(0) translateZ(35vw);
}
.icon-cards__item:nth-child(2) {
  background: #ffffff;
  transform: rotateY(120deg) translateZ(35vw);
}
.icon-cards__item:nth-child(3) {
  background: #de4f32;
  transform: rotateY(240deg) translateZ(35vw);
}


@-webkit-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);
  }
}

@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);
  }
}