body {
	margin: 0;
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	background: linear-gradient(pink, white, pink);
	overflow: hidden;
}

.container span {
	display: inline-block;
	color: purple;
	font-weight: bold;
	text-transform: uppercase;
	font-size: 40px;
	animation: side-slide 4s infinite backwards;
	animation-delay: calc((var(--n) - 1) * 0.05s);
}

@keyframes side-slide {
	0% {
		transform: translateX(-100vw) scale(0);
		filter: opacity(0);
	}

	15%, 20% {
		transform: translateX(0.5em) scale(1);
		color: purple;
	}

	24% {
		transform: translateX(0) scale(1.2);
		color: cyan;
	}

	25%, 75% {
		transform: translateX(0) scale(1);
		filter: opacity(1);
		color: purple;
	}

	90%, 100% {
		transform: translateX(100vw) scale(0);
		filter: opacity(0);
	}
}

.container span:nth-child(1) { --n: 1; }
.container span:nth-child(2) { --n: 2; }
.container span:nth-child(3) { --n: 3; }
.container span:nth-child(4) { --n: 4; }
.container span:nth-child(5) { --n: 5; }
.container span:nth-child(6) { --n: 6; }
.container span:nth-child(7) { --n: 7; }
.container span:nth-child(8) { --n: 8; }
.container span:nth-child(9) { --n: 9; }
.container span:nth-child(10) { --n: 10; }
.container span:nth-child(11) { --n: 11; }
.container span:nth-child(12) { --n: 12; }
.container span:nth-child(13) { --n: 13; }
.container span:nth-child(14) { --n: 14; }