h1 {
  text-align: center;
  margin-bottom: 30px;
}

.feed {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-content {
  padding: 15px;
}

.card-content h2 {
  font-size: 18px;
  margin: 0 0 10px;
}

.card-content small {
  color: #666;
}

.card-content p {
  margin: 10px 0;
  color: #444;
}

.card-content button {
  background: #007bff;
  color: #fff;
  border: none;
  padding: 10px 15px;
  border-radius: 6px;
  cursor: pointer;
}

.card-content button:hover {
  background: #0056b3;
}