*:first-child+html &

text-stroke(hoff = 1px, voff = 1px, blur = 0, color = #000)
	text-shadow (-1 * hoff) (-1 * voff) blur color, hoff (-1 * voff) blur color, (-1 * hoff) voff blur color, hoff voff blur color

-webkit-touch-callout none
-khtml-user-select none
user-select none

.btn
  border 0
  margin 0
  cursor pointer
  padding 1em 2em
  background #478BEF
  color #fff
  font inherit
  font-size 1.3em
  font-weight 100
  outline none
  &:hover
    background @background - 15

white-space nowrap
overflow hidden
text-overflow ellipsis
display block

.red
  color red
.blue
  color blue
.solid-border
  border 1px solid black
.dotted-border
  border 1px dotted black
li
  margin-top 10px
.border
  border 1px solid red

$grid ?= {
  gutter: 0
  columns: 16
  padding: 20px
}

.grid
  float: left
  box-sizing: border-box
  border-left: $grid.gutter solid transparent
  padding-left: ($grid.padding / 2)
  padding-right: ($grid.padding / 2)
  margin-left: -($grid.gutter)

  &_split
    padding-right: 0
    padding-left: 0

  &_right
    float: right

  &_center
    float: none
    margin-left: auto
    margin-right: auto

for $column in 1..$grid.columns
  
  .grid_{$column}
    width: unit(($column / $grid.columns) * 100, '%')

  .grid_prefix_{$column}
    margin-left: unit(($column / $grid.columns) * 100, '%')

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, font, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, input, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td
  margin 0
  padding 0
  border 0
  outline 0
  font-size 100%
  vertical-align baseline
  background transparent
  font-weight normal

body
  line-height 1

ul, ol, dl, li, dt, dd
  list-style none

blockquote, q
  quotes none

del
  text-decoration line-through

table
  border-collapse collapse
  border-spacing 0

td
  vertical-align middle

p img
  max-width 100%

input
  -webkit-appearance none

input[type="hidden"]
  display none

acronym, abbr
  cursor help