* {
	margin: 0;
	padding: 0;
}

html {
	height: 100%;
}

body {
	font-family: helvetica;
	font-size: 14px;
	
	height: 100%;
	display: flex;
}

.nav {
	padding: 20px;
	padding-top: 15px;
	background-color: #ccc;
	border-radius: 10px;
	text-align: center;

	position: absolute;
	left: 20px;
	top: 20px;

	z-index: 2;
}

h1 {
	color: black;
	font-size: 24px;
}

#upload-btn {
	width: 100%;
	height: 35px;
	margin-top: 10px;
	border-radius: 5px;
	border: none;

	color: white;
	background-color: #0d6efd;
	font-size: 18px;
}

#upload-btn:hover {
	background-color: #0b5ed7;
	cursor: pointer;
}

#cy {
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;
	z-index: 1;
}

#help-msg {
	font-size: 72px;
	text-align: center;
	color: #ccc;
	margin: auto;
	z-index: 3;
}