body {
  margin: 0px auto 0px auto;
  padding: 1%;
  max-width: 1000px;
  font-family: sans-serif;
  text-rendering: optimizeLegibility;
}

header {
  border-bottom: 2px solid black;
  margin-bottom: 30px;
  padding: 12px 0px 12px 0px;
}

nav {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

nav a {
  color: maroon;
  font-size: 18px;
  margin: 12px;
  text-decoration: none;
}

nav ul, nav li {
  display: inline;
}

nav ul li a {
  color: black;
  font-size: 14px;
  margin: 6px;
}

footer {
  border-top: solid 2px black;
  font-size: 14px;
  margin-top: 30px;
  padding: 12px 0px 12px 0px;
}

footer li {
  list-style-type: none;
  margin-top: 10px;
}

footer li a {
  margin-left: 5px;
}

div.sourceCode {
  padding: 3px;
  border: 1px solid;
  border-radius: 10px;
}

pre {
  white-space: pre-wrap;
  counter-reset: line;
}

code {
  font-family: monospace;
}

pre a:before {
  color: #aaa;
  content: counter(line);
  counter-increment: line;
  display: inline-block;
  width: 3em;
  margin-left: auto;
  margin-right: 1em;
  padding-left: auto;
  text-align: right;
}

article .header {
  color: #555;
  font-size: 14px;
  font-style: italic;
}

.simple-icon {
  height: 22px;
  vertical-align: middle;
}