$width: 10em + 20
$color: #00ff98
$main_text: #ffa
$num: 10
$dec: 10.2
$dec_0: 99.0
$neg: -10
$esc: 10\+12
$str: Hello\!
$qstr: "Quo\"ted\"!"
$hstr: Hyph-en\!
$space: #{5 + 4} hi there
$percent: 11%
$complex: 1px/1em

#main
  :content $str
  :qstr $qstr
  :hstr $hstr
  :width $width
  :background-color #000
  :color $main_text
  :short-color #123
  :named-color olive
  :con "foo" bar ($space "boom")
  :con2 "noquo" quo
  #sidebar
    :background-color $color
    :num
      :normal $num
      :dec $dec
      :dec0 $dec_0
      :neg $neg
    :esc $esc
    :many 1 + 2 + 3
    :order 1 + 2 * 3
    :complex ((1 + 2) + 15)+#3a8b9f + (hi+(1 +1+ 2)*   4)

#plus
  :num
    :num 5+2
    :num-un 10em + 15em
    :num-un2 10 + 13em
    :num-neg 10 + -.13
    :str 100 * 1px
    :col 13 + #aaa
    :perc $percent + 20%
  :str
    :str "hi" + "\ there"
    :str2 "hi" + " there"
    :col "14em solid " + #123
    :num "times: " + 13
  :col
    :num #f02 + 123.5
    :col #12A + #405162

#minus
  :num
    :num 912 - 12
  :col
    :num #fffffa - 5.2
    :col #abcdef - #fedcba
  :unary
    :num -1
    :const -$neg
    :paren -(5 + 6)
    :two --12
    :many --------12
    :crazy -----(5 + ---$neg)

#times
  :num
    :num 2 * 3.5
    :col 2 * #3a4b5c
  :col
    :num #12468a * 0.5
    :col #121212 * #020304
    
#div
  :num
    :num (10 / 3.0)
    :num2 (10 / 3)
  :col
    :num #12468a / 2
    :col #abcdef / #0f0f0f
  :comp  $complex * 1em

#mod
  :num
    :num 17 % 3
  :col
    :col #5f6e7d % #10200a
    :num #aaabac % 3

#const
  :escaped
    :quote \$foo \!bar
  :default $str !important

#regression
  :a (3 + 2) - 1