app/assets/stylesheets/admin/_reset.sass

Summary

Maintainability
Test Coverage
// Blocks
html,
body,
p,
ol,
ul,
li,
dl,
dt,
dd,
blockquote,
figure,
fieldset,
legend,
textarea,
pre,
hr
  margin: 0
  padding: 0

// List
ul
  list-style: none

// Form
button,
input,
select,
textarea
  margin: 0

// Box sizing
html
  box-sizing: border-box

*
  &,
  &::before,
  &::after
    box-sizing: inherit

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

// Table
table
  border-collapse: collapse
  border-spacing: 0

td,
th
  padding: 0
  &:not([align])
    text-align: inherit