body {
  max-width: 50em;
  margin:auto;
  padding:2em 1em;
  font-family: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
  font-weight: bold;
  color: #f05f40;
}

 a, a:visited {
   text-decoration: none;
   color: blue;
 }

 a:hover {
   background-color: #ccc;
 }

footer {
    font-size: 10px;
    font-style: italic;
    text-align: center;
    color: #aaaaaa;
    margin: 30px;
}