body {
  max-width: 650px;
  margin: 2em auto;
  padding: 1em;
  line-height: 1.4;
  font-size: 18px;
}

h1, h2, h3, h4, h5
{
  line-height: 1.4;
  font-family: arial;
}

p {
	font-family: arial;
}

a {
	color: #007474;
	text-decoration: none;
	font-family: arial;
}

nav a {
	max-width: 650px;
	display: inline-block;
	padding-right: 14px;
}

img {
	max-width: 90%;
	height: auto;
}


footer {
	margin-top: 100px;
}