I'm trying to revert to a previous format of my form, and it's not work

I'm trying to revert to a previous format of my form, and it's not working. I clicked the 'revert' button and nothing changed.

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Form - https://www.jotform.com/build/201285597060153

Trying to revert to version 'Wednesday, June 24 - 'Form Styles Changed' 11:40

Hi there,

You can revert your form to a previously saved version from the Form revision history tool: https://www.jotform.com/help/294-How-to-View-Form-Revision-History 

Let us know if you need any further assistance.