body {
  margin: 0;
  font-family: 'Open Sans', sans-serif;
  background-color: #f9f9fb;
  color: #333;
  line-height: 1.6;
}

#banner {
  background-color: #007bff;
  color: #fff;
  text-align: center;
  padding: 0.75rem;
  font-weight: bold;
}

.container {
  width: 90%;
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.post-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  color: #1a1a1a;
}

.post-date {
  color: #666;
  font-size: 0.875rem;
}

.post-content {
  margin: 1.5rem 0;
  font-size: 1.1rem;
}

.btn, .back-btn {
  display: inline-block;
  background-color: #007bff;
  color: #fff;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #0056b3;
}

.footer {
  background-color: #222;
  color: #ccc;
  padding: 2rem 0;
  text-align: center;
}

.footer p {
  margin: 0 0 1rem;
}

.subscribe-form input[type="email"] {
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid #ccc;
  width: 200px;
  margin-right: 0.5rem;
}

.subscribe-form button {
  padding: 0.5rem 1rem;
  background-color: #28a745;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.subscribe-form button:hover {
  background-color: #218838;
}

.search-form {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.search-form input[type="text"] {
  padding: 0.5rem 1rem;
  border: 1px solid #ccc;
  border-right: none;
  border-radius: 8px 0 0 8px;
  width: 300px;
  font-size: 1rem;
  height: 42px;
}

.search-form button {
  padding: 0.5rem 1.2rem;
  background-color: #007bff;
  border: 1px solid #007bff;
  border-radius: 0 8px 8px 0;
  color: white;
  font-weight: 600;
  cursor: pointer;
  height: 42px;
  transition: background-color 0.3s ease;
}

.search-form button:hover {
  background-color: #0056b3;
}