:root {
  --paper: #f7f1e6;
  --vellum: #fffcf5;
  --parchment: #ede2ce;
  --linen: #d8c9ad;
  --ink: #25221f;
  --muted: #71685f;
  --green: #31524f;
  --gold: #d3a449;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 28px 20px;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(229, 216, 193, .34) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(135deg, var(--vellum), var(--paper) 52%, #e8efe4);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(100%, 560px);
  border: 1px solid rgba(216, 201, 173, .72);
  border-radius: 30px;
  background: rgba(255, 252, 245, .84);
  box-shadow: 0 28px 90px rgba(45, 41, 36, .14);
  padding: 30px;
}

.mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 17px;
  background: var(--green);
  color: var(--vellum);
}

h1 {
  margin: 0 0 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 8vw, 54px);
  font-weight: 500;
  line-height: .98;
}

p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.5;
}

a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 18px;
  background: var(--green);
  color: var(--vellum);
  font-weight: 800;
  text-decoration: none;
}