body {
  background-color: #000;
  text-align: center;

  font-size: 16pt;
}

#settings {
  text-align: left;
  margin: 0 auto;
  display: inline-block;

  color: #fff;
}

#settings div {
  margin: 1em 0;
}

#notes a {
  display: inline-block;
  height:3em;
  line-height: 3em;
  width:3em;
  background-color: #333;
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  border-radius: 8px;
  margin: 4px 1.5em;
}

#notes a:hover {
  background-color: #555;
}