     <button>Next page</button>
                <ul>
                    <li>
                        <button>1</button>
                    </li>
                    <li>
                        <span>...</span>
                    </li>
                    <li>
                        <button>4</button>
                    </li>
                    <li>
                        <button class="is-active">5</button>
                    </li>
                    <li>
                        <button>6</button>