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

html {
  line-height: 1.15;
  box-sizing: border-box;
  font-family: sans-serif;
}

main {
  display: block;
}

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}