body {
	margin: 0;
	font-family: system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue;
	font-size: 14px;
	line-height: 1.5;
	color: #333;
}

main {
	position: relative;
	max-width: 800px;
	padding: 25px;
	margin: 0 auto;
	box-sizing: border-box;
}

h1, h2, h3, h4, h5, h6 {
	margin: 0 0 0.5em 0;
	font-weight: 400;
	line-height: 1.2;
}

h1 {
	font-size: 2em;
}

a {
	color: inherit;
}