:root {
  --accent: #7B2FF7;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration: underline;
  opacity: 0.8;
}

body {
  max-width: 640px;
  margin: 0 auto;
  font-family: "Source Serif 4", serif;
  line-height: 1.6;
  padding: 40px 20px;
}

h2 {
  font-size: 24px;
  margin-top: 48px;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 6px;
  color: var(--accent);
}

h3 {
  font-size: 18px;
  margin-top: 28px;
  margin-bottom: 4px;
  color: var(--accent);
}
.nav-box {
  display: inline-block;
  background-color: var(--accent);
  color: white;
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 18px;
  margin-right: 10px;
}

h1 {
  font-size: 48px;
  font-weight: 700;
}