html {
	font-size: 18px
}

body {
  font-family: serif;
  line-height: 1.5;
  margin: 2rem auto;
  max-width: 40em;
  padding: 0 1em;
	background-color: gainsboro;
}

h1, h2, h3, h4, h5, h6 {
  margin: 1em 0 0.5em 0;
  line-height: 1em;
}

a:link, a:visited {
  color: black;
  text-decoration: underline;
}

a:hover, a:active, a:focus {
  color: darkblue;
  text-decoration: none;
}

img {
  max-width: 100%;
}

pre, code, samp, kbd {
  color: #009;
  font-family: monospace, monospace;
  font-size: 0.9em;
}

pre code, pre samp, pre kbd {
  font-size: 1em;
}
pre kbd {
  color: #060;
}

pre {
  background: #eee;
  padding: 0.5em;
  overflow: auto;
}

#banner {
  max-width: 33%;
}