html,
body {
  min-width: 100%; /* MUST apply a width if using fullscreen API in IE 11 */
  height: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  min-height: 100%;
}