.ribbon {
  background-color: #000080;
  overflow: hidden;
  position: fixed;
  right: -2.8em;
  top: 2.5em;
  -webkit-transform: rotate(45deg);
  -webkit-box-shadow: 0 0 1em #424242;
}

.ribbon a {
  color: #fff;
  display: block;
  font: bold 0.81em "Nimbus Sans L", "Liberation Sans", FreeSans, Arial, Helvetica, Sans-serif;
  margin: 0.05em 0 0.08em 0;
  padding: 0.5em 3.5em;
  text-align: center;
  text-decoration: none;
}