*, *::before, *::after
  box-sizing: inherit
  padding: 0
  margin: 0

html
  box-sizing: border-box

h1,
h2,
h3,
h4,
h5,
h6
  font-weight: normal

ul
  list-style: none

img,
video
  height: auto
  max-width: 100%

iframe
  border: 0

table
  border-collapse: collapse
  border-spacing: 0