.color-box {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); /* Bóng mờ nhẹ */
    border: 1px solid rgba(0, 0, 0, 0.05); /* Viền nhẹ */
    border-radius: 4px;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    cursor: pointer;
  }
  
  .color-box:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    filter: brightness(1.2);
  }