h1, h2, h3 {
  margin-bottom: 0;
}
.remark-slide-content h1 { font-size: 3em; }
.remark-slide-content h2 { font-size: 2em; }
.remark-slide-content h3 { font-size: 1.6em; }
.footnote {
  position: absolute;
  bottom: 3em;
}
a, a > code {
  text-decoration: none;
}
code {
  border-radius: 5px;
}
.pull-left {
  float: left;
  width: 47%;
}
.pull-right {
  float: right;
  width: 47%;
}
.pull-right ~ p {
  clear: both;
}
#slideshow .slide .content code {
  font-size: 0.8em;
}
#slideshow .slide .content pre code {
  font-size: 0.9em;
  padding: 15px;
}
/* Slide-specific styling */
#slide-how .slides .first, #slide-how .slides .second {
  padding: 1px 20px;
  height: 90px;
  width: 120px;
}
/* Two-column layout */
.left-column {
  width: 20%;
  height: 92%;
  float: left;
}
.right-column {
  width: 75%;
  float: right;
  padding-top: 1em;
}
.image-scaled img {
  width: 100%;
}
.image-500h img {
  height: 500px;
}
.image-630h img {
  height: 630px;
}
.left-column-b {
  width: 50%;
  float: left;
}
.right-column-b {
  width: 50%;
  float: right;
}

.black-center-200p {
  width: 100%;
  background-color: black;
  text-align: center;
}

.black-center-200p img{
  height: 200px;
}

.black {
  background: #000;
  color: #777872;
  text-shadow: 0 0 20px #333;
}