html, body, code,  main {
	height: 100%;
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
pre{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html, body {
	font-family: 'Roboto', sans-serif;
	color: #333;
}