html, body {
  height: 100%;
  width: 100%;
  background: #47535f;
}

nav,
#container,
#footer {
  background: #fff;
  width: 760px;
  margin: 10px auto;
  padding: 10px;
  border-radius: 5px;
}

#footer {
  color: #999;
  text-align: center;
  font-size: .9em;
}

ul {
  display: inline;
}

li {
  display: inline;
  margin-right: 20px;
}