CSS Styles panel not making any changes

Hello My css styling panel has stopped making changes to elements. I have tried adding new elements to test affecting them and the css style panel still does nothing. Any help would be greatly appreciated. not sure if you will be able to help as this seems to be a bug.

Here is my site Read-Only: LINK
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Lol got it to work by refreshing the page made a couple style changes then the same thing happened.