Hello Cheyene,
Thanks for writing in!
The icon border can be changed in Headline > Graphic element settings.
If you don’t see some of style options, you need to turn on the Advanced Mode by going to the Settings > Preferences > Advanced Mode


If nothing is helping, provide us access to your site so that we can check your settings. Please create a secure note with the following info:
– Link to your site
– WordPress Admin username / password
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To know how to create a secure note, please check this out: https://theme.co/docs/getting-support

Best Regards.