Theme font, colors and menus changed when I previewed my page

I was working on my website and once I changed the header and body text I went to preview it and the font on the whole website, the color scheme and the header and footer menu all changed.

I’m using the astra theme with elementor and page templates. The font was set to default but now default doesn’t bring the font back to the original one.

Has this happened to anyone or does anyone know a fix for it ?

 

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