">
          <button>Sort <i class="arrow"></i></button>
          <ul class="children">
            <li>
              <a href="#" id="bubbleSort"><button>Bubble Sort</button></a>
            </li>
            <li>
              <a href="#" id="insertionSort"><button>Insertion Sort</button></a>
            </li>
            <li>
              <a href="#" id="selectionSort"><button>Selection Sort</button></a>
            </li>
            <li>
              <a href="#" id="quickSort"><button>Quick Sort</but