index.sass

@import yin-yang

$fa-font-path: '~font-awesome/fonts/'
@import ~font-awesome/scss/font-awesome

.reveal

  background: radial-gradient(circle, #4d4d4d, #262626, #000)

  img.zen
    border: none
    background: none
    box-shadow: none

  pre code
    max-height: initial // allow higher code snippets

.author
  font-size: smaller
  color: darken(white, 20%)

.bi-column-box
  position: absolute
  width: 50%

.bi-column-box-left
  left: 0

.bi-column-box-right
  left: 50%

.object-listing li
  code
    color: hsl(180, 70, 70)

.discrete-comment
  color: hsl(0, 0, 50)

.big-button
  width: 8em
  height: 2em
  font-size: x-large

div.row
  display: flex
  justify-content: center
  align-items: center

img[alt='Creative Commons License']
  border-width: 0
  width: 200px