How to create a simple Size Guide pop up (lightbox)
In this example we'll create a Size Guide pop up. You could use or change any content to fit your needs as this can be used for other things then a Size Guide to.
Create a block
Name it Size Guide so the block shortcode will be
[block id="size-guide"]and paste next code in the plain text editor:
Hooking up the button on the single product page
or alternatively only output the button and pop up on products with specific categories:
Add some small CSS to style up the Size Guide table