Hello @AmyM6086 ,
If you're needing assistance updating your website's default font styles, please reach out to the Website Builder support team for assistance.
Regarding your social posts, unless they're in an image, there's nothing on our end that'd be affecting the font styling - especially since there aren't even font styling options in our social post builder. It sounds like it may be a more localized issue, meaning that it's a default setting on your browser or device to display things in italics.
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