header, footer, nav, article, section, div, ul, li, span, a, input, form, label, figure
  box-sizing: border-box

body
  margin: 0

img
  display: block
  border: none

ul, li
  margin: 0
  padding: 0
  list-style: none

a
  text-decoration: none

input[type="submit"]
  border: none
  +appearance(none)
  cursor: pointer

figure
  margin: 0