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

.container {
	font-size: 10px;
	width: 25em;
	height: 25em;
	padding: 1.5em;
	position: relative;
	box-shadow: 0 0 5px rgba(0, 0, 0, 1);
	border-radius: 1em;
	overflow: hidden;
}

.container::before {
	content: '';
	position: absolute;
	width: 150%;
	height: 150%;
	background: repeating-linear-gradient(
			white 0%, white 0.75em,
			hotpink 0.75em, hotpink 1.5em);
	transform: translateX(-20%) translateY(-20%) rotate(-45deg);
	animation: animate 30s linear infinite;
	z-index: -1;
}

.container::after {
	content: '';
	position: absolute;
	top: 1.5em;
	width: calc(100% - 3em);
	height: calc(100% - 3em);
	background-color: white;
	box-shadow: 
		0 0 2px deeppink,
		0 0 5px rgba(0, 0, 0, 1),
		inset 0 0 5px rgba(0, 0, 0, 1);
	border-radius: 1em;
	z-index: -1;
}

.container p {
	position: absolute;
	margin: 0;
	top: 0;
	color: hsla(328, 100%, 54%, 0.8);
	font-size: 120px;
	font-family: sans-serif;
	text-transform: uppercase;
	font-weight: bold;
	text-shadow: -3px 3px silver;
	line-height: 2.4em;
	transform: rotate(-45deg);
	user-select: none;
}

@keyframes animate {
	to {
		background-position: 0 50em;
	}
}