How to convert form instructions to tool tips on hover?

I have created some forms with instructions and visually it looks terrible as there is too much writing on the page.

I have read the https://support.knack.com/hc/en-us/community/posts/220702308-Convert-your-form-instructions-to-tooltips but it only hides the instructions. Maybe the fields have changed.

 

Does anyone know the code/css to hide the form instructions and show them on hover as a tooltip? (on the standard theme)

If you are interested, we have a nifty config tool out on our website now... You can check out the set up process on youtube and take it from there...

https://youtu.be/7GRLuYJJmlA

I have the same question!