* {
	margin: 0px;
	font-family: 'Arial';
	font-size: 20px;
	box-sizing: border-box;
}

html, body {
	overflow: hidden;
	width: 100vw;
	height: 100vh;
	height: calc(var(--vh, 1vh) * 100);
}

canvas {
	width: 100vw;
	height: 100vh;
	height: calc(var(--vh, 1vh) * 100);
}

.center_wrapper {
	top: 0;
	left: 0;
	position: absolute;
	text-align: center;
	padding: 7%;
	width: 100%;
	height: 100%;
	justify-content:center;
	align-content:center;
	flex-direction:column;
	display: flex;
}

.block {
	min-width: 200px;
	min-height: 200px;
	background-color: white;
	border-radius: 25px;
	box-shadow: 0px 0px 10px grey;
	margin: 10px;
}

#menu {
	padding: 5%;
	margin: auto;
	justify-content: center;
	align-content: center;
	flex-direction: column;
	display: flex;
}

#header {
	font-weight: bold;
}

#form {
	display: none;
}

#ad {
	width: 970px;
	height: 290px;
	display: none;
}

#leaderboard {
	display: none;	
}

.rounded {
	border-radius: 25px;
	min-height: 50px;
	margin: 10px;
}

button {
	text-align: center;
	padding: 10px;
	margin: 10px;	
}

p {
	margin: 10px;
}

input {
	text-align: center;
}