* {
    margin: 0;
    padding: 0;
}
.container {
    height: 100vh;
    width: 100%;
    background: linear-gradient(rgba(0, 0, 0, .6), rgba(0, 0, 0, .8)), url(./images/bg.jpg) no-repeat;
    background-size: cover;
}
.viewport {
    width: 42vw;
    height: 21vw;
    left: 50%;
    top: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
    perspective: 13000px;
}
.viewport::after {
    content: '';
    position: absolute;
    width: 120%;
    height: 20%;
    background-color: #000;
    z-index: -1;
    top: 140%;
    left: -10%;
    filter: blur(50px)

}
.cube {
    width: 100%;
    height: 33.333333333333333333333333333333333333333333333333333333333333333333333333333333%;
    transform-style: preserve-3d;
    position: relative;
}
.cube-1 {
    transition: transform .4s;
}
.cube-2 {
    z-index: 10;
    transition: transform .4s .2s;
}
.cube-3 {
    transition: transform .4s .4s;
}
.face {
    width: 100%;
    height: 100%;
    position: absolute
}
.front {
    transform: translateZ(21vw) ;
}
.cube-1 .front {
    background: url(./images/slide-img-1.jpg) no-repeat 50% 0;
    background-size: cover;
}
.cube-2 .front {
    background: url(./images/slide-img-1.jpg) no-repeat 50% -7vw;
    background-size: cover;
}
.cube-3 .front {
    background: url(./images/slide-img-1.jpg) no-repeat 50% -14vw;
    background-size: cover;
}
.back {
    transform: translateZ(-21vw) rotateY(180deg);
}
.cube-1 .back {
    background: url(./images/slide-img-2.jpg) no-repeat 50% 0;
    background-size: cover;
}
.cube-2 .back {
    background: url(./images/slide-img-2.jpg) no-repeat 50% -7vw;
    background-size: cover;
}
.cube-3 .back {
    background: url(./images/slide-img-2.jpg) no-repeat 50% -14vw;
    background-size: cover;
}
.left {
    transform: translateX(-21vw) rotateY(-90deg);
}
.cube-1 .left {
    background: url(./images/slide-img-3.jpg) no-repeat 50% 0;
    background-size: cover;
}
.cube-2 .left {
    background: url(./images/slide-img-3.jpg) no-repeat 50% -7vw;
    background-size: cover;
}
.cube-3 .left {
    background: url(./images/slide-img-3.jpg) no-repeat 50% -14vw;
    background-size: cover;
}
.right {
    transform: translateX(21vw) rotateY(90deg);
}
.cube-1 .right {
    background: url(./images/slide-img-4.jpg) no-repeat 50% 0;
    background-size: cover;
}
.cube-2 .right {
    background: url(./images/slide-img-4.jpg) no-repeat 50% -7vw;
    background-size: cover;
}
.cube-3 .right {
    background: url(./images/slide-img-4.jpg) no-repeat 50% -14vw;
    background-size: cover;
}
.top {
    height: 42vw;
    background-color: #111;
    transform: translateY(-21vw) rotateX(90deg);
}
.bottom {
    height: 42vw;
    background-color: #111;
    transform: translateY(-14vw) rotateX(-90deg);
}
.control {
    position: absolute;
    z-index: 100;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 1px solid #fff;
    background-color: rgba(59, 52, 50, .7);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    cursor: pointer;
    border-radius: 100%;
    transition: background-color .3s;
}
.control i {
    pointer-events: none;
}
.control:hover {
    background-color: rgba(42, 32, 36, .8);
}
.left-arrow {
    top: 50%;
    left: -35%;
}
.right-arrow {
    top: 50%;
    left: 135%;
}
.play-pause {
    top: 140%;
    left: 120%;
}