body { background-color:#3BB17C; color:#fff; font-family:'Open Sans'}
#menu {
  background-color: #222;
  color: #fff;
  position: fixed;
  z-index: 1000;
  display: block;
  top: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  text-align: center;
  overflow: hidden;
  -webkit-transition: 500ms all ease-in-out;
  -moz-transition: 500ms all ease-in-out;
  -ms-transition: 500ms all ease-in-out;
  -o-transition: 500ms all ease-in-out;
}

.menu-close {
  -moz-transform: translateY(-100%);
  -ms-transform: translateY(-100%);
  -webkit-transform: translateY(-100%);
  transform: translateY(-100%);
  opacity: 0;
}

#content {
  max-width: 728px;
  margin:120px auto;
  font-size:120%;
}
h1 { text-align:center;}