html {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
*, ::before, ::after {
  -webkit-box-sizing: inherit;
          box-sizing: inherit;
}

body{
  margin: 5px auto;
  max-width: 72em;
/*  min-width: 46em;*/
  font-family: sans-serif;
  color: #333333;
}

header,
nav,
nav a,
main,
article,
section,
aside,
footer {
	border-radius: 0px 0.5em 0.5em;
	border: 1px solid;
	padding: 2px;
	margin: 5px;
}

h1 {
	margin-top: 100px;
	margin-bottom: 10px;
	font-size: 30px;
	font-weight: bold;
	font-family: sans-serif;
	text-align: center;
}