.product-cat-accordion ul { list-style: none; margin: 0; padding: 0; }
.product-cat-accordion li { position: relative; }
.product-cat-accordion li ul { display: none; margin-left: 15px; }
.product-cat-accordion li.open > ul { display: block; }
.product-cat-accordion li.has-children > a { cursor: pointer; }