* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #ffffff;
  color: #1a1a1a;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

header,
main,
footer {
  width: min(42.5rem, 100% - 2.5rem);
  margin-left: auto;
  margin-right: auto;
}

header {
  text-align: center;
  padding: 3.5rem 0 0.5rem;
}

h1 {
  font-size: clamp(1.85rem, 6vw, 2.5rem);
  font-weight: normal;
  letter-spacing: 0.01em;
  margin: 0 0 1rem;
}

.intro {
  max-width: 32rem;
  margin: 0 auto;
  color: #444444;
}

a {
  color: #1a1a1a;
}

.button {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.5rem 1.2rem;
  border: 1px solid #1a1a1a;
  color: #1a1a1a;
  text-decoration: none;
  font-size: 0.95rem;
}

.button:hover,
.button:focus {
  background: #1a1a1a;
  color: #ffffff;
}

section {
  border-top: 1px solid #dddddd;
  margin-top: 3rem;
  padding-top: 3rem;
}

section:last-of-type {
  margin-bottom: 1rem;
}

figure {
  margin: 0 0 1.75rem;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

h2 {
  font-size: 1.6rem;
  font-weight: normal;
  margin: 0 0 0.75rem;
}

p {
  margin: 0 0 1rem;
}

.lead {
  font-size: 1.1875rem;
  margin-bottom: 1.25rem;
}

blockquote.lead {
  margin: 0 0 1.25rem;
  padding-left: 1.25rem;
  border-left: 2px solid #1a1a1a;
}

blockquote.lead p {
  margin-bottom: 0.35rem;
}

blockquote.lead cite {
  font-style: normal;
  font-size: 0.95rem;
  color: #444444;
}

.ref {
  font-size: 0.95rem;
  color: #444444;
}

footer {
  border-top: 1px solid #dddddd;
  margin-top: 4rem;
  padding: 2rem 0 3rem;
  text-align: center;
  font-size: 0.85rem;
  color: #555555;
}