html {
	box-sizing: border-box;
	background: url("https://source.unsplash.com/NFs6dRTBgaM/2000x2000") fixed;
	background-size: cover;
}

*,
*:before,
*:after {
	box-sizing: inherit;
}

body {
	min-height: 100vh;
	display: flex;
	justify-content: center;
	align-items: center;
	font-family: sans-serif;
	font-size: 20px;
	margin: 0;
}

.items {
	height: 800px;
	padding: 100px;
	width: 100%;
	border: 1px solid white;
	overflow-x: scroll;
	overflow-y: hidden;
	white-space: nowrap;
	user-select: none;
	cursor: pointer;
	transition: all 0.2s;
	transform: scale(0.98);
	will-change: transform;
	position: relative;
	background: rgba(255, 255, 255, 0.1);
	font-size: 0;
	perspective: 500px;
}

.items.active {
	background: rgba(255, 255, 255, 0.3);
	cursor: grabbing;
	cursor: -webkit-grabbing;
	transform: scale(1);
}

.item {
	width: 200px;
	height: calc(100% - 40px);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 80px;
	font-weight: 100;
	color: rgba(0, 0, 0, 0.15);
	box-shadow: inset 0 0 0 10px rgba(0, 0, 0, 0.15);
}

.item:nth-child(9n + 1) {
	background: dodgerblue;
}
.item:nth-child(9n + 2) {
	background: goldenrod;
}
.item:nth-child(9n + 3) {
	background: paleturquoise;
}
.item:nth-child(9n + 4) {
	background: gold;
}
.item:nth-child(9n + 5) {
	background: cadetblue;
}
.item:nth-child(9n + 6) {
	background: tomato;
}
.item:nth-child(9n + 7) {
	background: lightcoral;
}
.item:nth-child(9n + 8) {
	background: darkslateblue;
}
.item:nth-child(9n + 9) {
	background: rebeccapurple;
}

.item:nth-child(even) {
	transform: scaleX(1.31) rotateY(40deg);
}
.item:nth-child(odd) {
	transform: scaleX(1.31) rotateY(-40deg);
}
