style.css

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: Junction, sans-serif;
  display: flex;
  flex-flow: column;
  background-color: #222;
  color: white;
}

.hero {
  background-image: url("https://i.imgur.com/WoEVJxv.jpg");
  background-size: cover;
  color: white;
  text-shadow: 6px 4px 15px rgba(0,0,0,0.5);
  padding-top: 96px;
}

.content {
  max-width: 800px;
  margin: 0 auto;
}

.hero .logo {
  filter: drop-shadow(6px 4px 15px rgba(0,0,0,0.5));
}

h1, h2, h3 {
  font-family: League Spartan, sans-serif;
  font-weight: bold;
}

.hero h1 {
  font-size: 136px;
  margin: .2em 0 0 0;
}

.hero h2 {
  font-size: 42px;
  margin: 0 0 1em;
}

.explainer {
  text-align: center;
  background-color: #46e;
  color: white;
  font-size: 32px;
}

.github-fork-ribbon:before {
  background-color: #ca3;
}

.button {
  font-family: League Spartan, sans-serif;
  font-weight: bold;
  font-size: 36pt;
  background-color: #ca3;
  border: none;
  border-radius: 4px;
  display: flex;
  flex-flow: row;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 16px;
  margin-bottom: 32px;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.75);
}

.explainer a:link, .explainer a:visited,
.hero a:link, .hero a:visited,
header a:link, header a:visited,
footer a:link, footer a:visited {
  color: white;
}

.ordinary {
  color: #111;
  background-color: #eee;
}

.ordinary h2 {
  text-align: center;
}

header, footer {
  height: 48px;
  flex: none;
  display: flex;
  flex-flow: row;
  justify-content: center;
  align-items: center;
}