First let me say what an outstanding theme Sparkling is. I have tried to add a shortcode to the sidebar using text and HTML widgets without any success.
I must be doing something wrong!
Please help.
Hi there,
Thanks for reaching out.
In reference to your question here, could you possibly provide us with a screencast on this so that we can have a view on exactly what’s happening. You can use such a tool (https://www.useloom.com/).
I look forward to your reply.
Best Regards,
Support.
In the meantime I was able to resolve this issue myself.
Thanks for your support.
.
Cool 
I will close this case now, Feel free to contact us again if you have other questions Thanks!