/* reset */
html {
  box-sizing: border-box;
  font-size: 16px;
}

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

body, h1, h2, h3, h4, h5, h6, p, ol, ul {
  margin: 0;
  padding: 0;
  font-weight: normal;
}

ol, ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}


/* fun and games */
body  {
  display: grid;
  height: 100vh;
  margin: 0;
  place-items: center center;
}

footer, header {
  width: 100%;
  text-align: center;
}

footer {
  margin-top: 1em;
}

.centered {
  text-align: center;
}