@import url('https://fonts.googleapis.com/css2?family=Fira+Sans:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Source+Code+Pro:ital,wght@0,200..900;1,200..900&family=Source+Serif+4:ital,opsz,wght@0,8..60,200..900;1,8..60,200..900&display=swap');

body {
  font-family: "Source Serif 4", serif;
  font-size: 16px;
  line-height: 1.3;
  max-width: 80ch;
  margin: 5%;
}

a {
  text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Fira Sans", sans-serif;
  font-weight: normal;

pre, code {
  font-family: "Source Code Pro", monospace;
}