body {
  background: var(--base);
  color: var(--contrast);
  font-family: "Fira sans", sans-serif;
  font-weight: 400;
  font-style: normal;
  position: relative;
}

a {
  text-decoration: none;
  color: var(--contrast);
  cursor: pointer;
}
h1,
h2,
h3 {
  font-family: "Fira Sans", sans-serif;
  font-weight: 400;
  font-style: normal;
}
h1 {
  font-weight: 500;
  font-size: 4rem;
}

header,
main,
footer {
  max-width: 1280px;
  margin: 0 auto;
}
section {
  padding-top: 5rem;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 2px solid var(--subtle);
  height: 5rem;
}
footer, header{
  font-family: "Fira Mono", monospace;
}

@media only screen and (min-width: 64rem) {
  h1 {
    font-size: 5rem;
  }
}