body {
	margin: 0;
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
}

.code {
	background-color: silver;
	padding: 1em 0;
	font-size: 24px;
	font-family: monospace;
	border-radius: 0.5em;
}

.code p {
	white-space: pre;
	padding: 0 1em;
	margin: 0.5em;
}

.code p:not(:last-child) {
	animation: step 2s infinite;
	animation-delay: var(--d);
}

.code p:nth-child(2) {
	--d: 0s;
}

.code p:nth-child(3) {
	--d: 0.5s;
}

.code p:nth-child(4) {
	--d: 1s;
}

.code p:nth-child(1),
.code p:nth-child(5) {
	--d: 1.5s;
}

@keyframes step {
	0%, 25% {
		color: white;
		background-color: dodgerblue;
	}

	26%, 100% {
		color: black;
		background-color: transparent;
	}
}