body {
  font-family: "Roboto", Arial, sans-serif;
  background: linear-gradient(180deg, #e6f4e6, #ffffff);
  color: #222;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 640px;
  margin: 56px auto;
  background: #fff;
  padding: 28px 24px;
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(0,0,0,.08);
  text-align: center;
}

h1 {
  color: #0a8a0a;
  margin: 0 0 8px;
}

p {
  margin: 0 0 16px;
}

.primary-link {
  display: inline-block;
  margin-top: 14px;
  color: #0a8a0a;
  text-decoration: none;
  font-weight: 700;
}
.primary-link:hover {
  text-decoration: underline;
}

@media (max-width: 420px) {
  .container {
    margin: 24px 12px;
    padding: 20px 16px;
  }
}