ee-toggle-label "
               for="using-spike">Using SPIKE</label>

        <ul class="subtree">
            <li >
                    <a href="https://spike.ist/usage/configuration/">Configuring SPIKE</a>
                </li>

                <li >
                    <a href="https://spike.ist/usage/cli/">SPIKE CLI</a>
                </li>

                </ul>
    <input class="tree-toggle" type="checkbox" id="developing-spike"
               checked/>
        <label class="tree-toggle-label "
   