Tree: What Computing Devices do I Need?
Gallery Demo

Button Text:  

Button Style:                         

Tree Display Style:   Buttons   Panels
Tree Title:   Show
Persistent Buttons:   Back   Restart
Transition Effect:  

Step #1: Insert this code on the page where you want to show a button that opens your tree in an overlay:

<button style="border-radius: 6px; border-style: none; font-family: Arial; color: #ffffff; font-size: 20px; background: #314D68; padding: 10px 20px 10px 20px; text-decoration: none;" 
onclick="show_gallery_popup('83','&style=buttons&persist_names=Restart&persist_node_ids=1');" >What Computing Devices do I Need?

Step #2: Insert this code ONCE at the bottom of the page, before the </body> tag:

<script src=""></script>

Note: You can have several buttons on a page, each one opening a different tree.

Test your popup overlay button: