html {
	height: 100vh;
	display: grid;
	place-content: center;
	font-family: sans-serif;
	text-align: center;
	overflow: hidden;
	font-size: 2rem;
}

h1 {
	font-size: 3em;
}

button {
	font-size: 2em;
	border: none;
	padding: 0.2em 0.5em;
	background: #efefef;

}

button:active {
	padding: 0.15em 0.45em;
	margin: 0.05em;
	background: #ececec;
}

.progress {
	position: absolute;
	height: 100vh;
	width: 100vw;
	top: 100vh;
	left: 0;
	z-index: -1;
	background: #5fbb97;
}

.progress.ease {
	transition: top 0.2s linear;
}

.progress.fall {
	transition: top 1s linear;
}

.progress.snap {
	transition: none;
	top: 100vh;
}