.intro > h1, .outro > h1 {
  font-size: 13em;
}

.thanks > h1 {
  font-size: 15em;
}

.thanks > h4 {
  padding-left: 22px;
  font-size: 3.7em;
}

.intro > h4, .outro > h4 {
  font-size: 5em;
}

.intro ul, .outro ul {
  font-size: 2.15em;
}

.nested-headings h1 {
  postition: relative;
  font-size: 18em;
}

.nested-headings h2 {
  color: #ff0055;
  position: absolute;
  font-size: 7.8em;
  bottom: 53px;
  left: 310px;
  margin: 0;
  padding: 0;
}

.nested-headings.blur h1 {
  color: #BBB;
  -webkit-filter: blur(3px);
}

.nested-headings.blur h2 {
  font-size: 18em;
  text-shadow: -1px 1px 3px black;
}

.awesome {
  background-image: url(../images/awesome.png);
}

.broken {
  background-image: url(../images/broken.jpg);
}

.builder {
  background-image: url(../images/builder.jpg);
}

.confused {
  background-image: url(../images/confused.png);
}

.considerations {
  background-image: url(../images/considerations.jpg);
}

.different {
  background-image: url(../images/different.jpg);
}

.escher {
  background-image: url(../images/escher.jpg);
}

.math {
  background-image: url(../images/math.jpg);
}

.relationship {
  background-image: url(../images/relationship.jpg);
}

.review {
  background-image: url(../images/review.jpg);
}

.wield {
  background-image: url(../images/wield.jpg);
}

span.envy {
  background: -webkit-gradient(linear, left top, left bottom, color-stop(22%,#222222), color-stop(90%,#739200)); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top, #222222 22%,#739200 90%); /* Chrome10+,Safari5.1+ */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.reveal .slides {
  max-width: 950px;
}

.empty h2 {
  display: none;
}