<aside class="actions">
  <button id="add-postit-blue" class="add-postit"></button>
  <button id="add-postit-green" class="add-postit"></button>
  <button id="add-postit-yellow" class="add-postit"></button>
  <button id="add-postit-rose" class="add-postit"></button>
  <button id="add-line-h" class="add-line"></button>
  <button id="add-line-v" class="add-line"></button>
  <button id="add-line-d" class="add-line"></button>
  <a href="#" class="toggle-menu"></a>
</aside>

<aside class="navigation">
  <div id="zoom-level">100%</div>
  <a href="#" class="zoom-in"></a>
  <a href="#" class="zoom-out"></a>
  <a href="#" class="move-left"></a>
  <a href="#" class="move-down"></a>
  <a href="#" class="move-up"></a>
  <a href="#" class="move-right"></a>
  <a href="#" class="fit-to-content"></a>
</aside>

<aside class="actions">
  <button id="add-postit-blue" class="add-postit"></button>
  <button id="add-postit-green" class="add-postit"></button>
  <button id="add-postit-yellow" class="add-postit"></button>
  <button id="add-postit-rose" class="add-postit"></button>
  <button id="add-line-h" class="add-line"></button>
  <button id="add-line-v" class="add-line"></button>
  <button id="add-line-d" class="add-line"></button>
  <a href="#" class="toggle-menu"></a>
</aside>

<aside class="navigation">
  <div id="zoom-level">100%</div>
  <a href="#" class="zoom-in"></a>
  <a href="#" class="zoom-out"></a>
  <a href="#" class="move-left"></a>
  <a href="#" class="move-down"></a>
  <a href="#" class="move-up"></a>
  <a href="#" class="move-right"></a>
  <a href="#" class="fit-to-content" title="Fit to content"></a>
</aside>

Add a title for the fit-to-content button
Add a title for the fit-to-content button
