style.styl

$font_ = Play
$font-size = 14px

$font = join(' ', $font_)
$font-import = join('+', $font_)

join(delim, args)
  buf = ''
  for arg, index in args
    if index
      buf += delim + arg
    else
      buf += arg

@import url(http://fonts.googleapis.com/css?family=$font-import)

svg rect
  fill DodgerBlue

rect.highlight
  opacity 0.5

#controls
  padding-top 5px
  font-family $font

button
  font-family $font
  font-size $font-size
  background-color #ddd
  border 1px solid #777
  text-decoration none
  margin 0 2px

#form-delay
  display inline

#input-delay
  font-family $font
  width 3em