.presentation {
  background: #654;
}
.slide {
  background: #eee;
  background-image: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#dcb));
  background-image: -webkit-linear-gradient(top, #fff, #dcb);
  background-image:    -moz-linear-gradient(top, #fff, #dcb);
  background-image:      -o-linear-gradient(top, #fff, #dcb);
  background-image:         linear-gradient(top, #fff, #dcb);
  border-radius: 10px;
  -webkit-transition: margin 0.25s ease-in-out;
  -moz-transition: margin 0.25s ease-in-out;
  -o-transition: margin 0.25s ease-in-out;
  transition: margin 0.25s ease-in-out;
  -webkit-box-shadow: 0 5px 8px rgba(0, 0, 0, .2);
}
.slide:nth-child(even) {
  border-radius: 20px 0;
}
.slide:nth-child(odd) {
  border-radius: 0 20px;
}
header {
  color: black;
  text-shadow: rgba(0, 0, 0, 0.3) 0 1px 3px;
}
pre {
  font-family: 'Droid Sans Mono', Courier;
  letter-spacing: 1px;
  background: rgba(255, 64, 0, 0.05);
  border: 1px solid rgba(255, 64, 0, 0.2);
  border-radius: 8px;
}
.sidebar {
  background-color: #EFE7DF;
  border-right: 5px solid #987;
}