body:after {
content: url(../images/cw.png);
position: fixed;
bottom: 3.5em;
right: 3.5em;
background: #ffffff;
box-shadow: 5px 5px 10px #000; }

body {
  background: #a4c639;
  background-color: #a4c639; }

.reveal {
  font-family: 'Source Sans Pro', Helvetica, sans-serif;
  color: #000; }

.reveal h1, .reveal h2, .reveal h3, .reveal h4, .reveal h5, .reveal h6 {
  color: #222; }

.reveal li {
  margin-top: 12px;
  margin-bottom: 12px;
}