body {
  font-family: Georgia, "Times New Roman", serif;
  margin: 0;
  background: #f6f8fb;
  color: #17212b;
  line-height: 1.55;
}
main { max-width: 44rem; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
h1 { font-family: sans-serif; color: #006f73; margin-bottom: 0.25rem; }
h2 { font-family: sans-serif; margin-top: 2rem; }
.placeholder {
  background: #fff4d6;
  border: 1px solid #e0b84a;
  padding: 0.85rem 1rem;
  border-radius: 8px;
}
nav a { margin-right: 1rem; }
a { color: #006f73; }
.lang { font-family: sans-serif; }