body {
  font-family: Arial, sans-serif;
  background: #111;
  color: #eee;
  margin: 0;
  padding: 20px;
}

h1 {
  text-align: center;
}

.list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 15px;
  margin-top: 20px;
}

.item {
  background: #1b1b1b;
  padding: 15px;
  border-radius: 10px;
  cursor: pointer;
  transition: 0.2s;
  border: 1px solid #333;
}

.item:hover {
  background: #222;
}

.cat {
  color: #999;
  font-size: 14px;
}

button {
  background:#333;
  padding:10px 20px;
  border:0;
  border-radius:8px;
  color:#eee;
  cursor:pointer;
  margin-top:20px;
}

button:hover {
  background:#444;
}