* {
  box-sizing: border-box;
}

body {
  background: #f5f5f7;
  color: #1d1d1f;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  margin: 0;
}

main {
  margin: 0 auto;
  max-width: 760px;
  padding: 56px 24px 72px;
}

.back {
  color: #6d5dfc;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

h1 {
  font-size: 52px;
  letter-spacing: 0;
  line-height: 1;
  margin: 22px 0 10px;
}

.updated {
  color: #6e6e73;
  margin: 0 0 34px;
}

section {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 16px;
  margin: 14px 0;
  padding: 22px;
}

h2 {
  font-size: 19px;
  margin: 0 0 9px;
}

p {
  color: #3a3a3c;
  font-size: 16px;
  line-height: 1.55;
  margin: 0;
}