openmct/tutorials/todo/todo-toolbar.html

<div class="tool-bar btn-bar contents abs">
    <a class="s-btn labeled example-add">
        <span class="ui-symbol icon">+</span>
        <span class="title-label">Add Task</span>
    </a>
    <a class="s-btn example-remove">
        <span class="ui-symbol icon">Z</span>
    </a>
</div>