@import url('https://fonts.googleapis.com/css2?family=Nunito&display=swap');

@keyframes change-bg {
	from { background-color: #5000FF; }
	to   { background-color: #FF003D; }
}

html, body {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 100%;
	height: 100%;
	padding: 0;
	margin: 0;
	font-family: 'Nunito', sans-serif;
	user-select: none;
	animation: change-bg 5s linear 2s infinite alternate;
}

h1 {
	font-size: 3em;
	margin: 0;
	color: #fff;
}

h3 {
	color: #f2f2f2;
	font-size: 1.2em;
	margin: 0;
	font-weight: normal;
	letter-spacing: 5px;
}