Box around post

What about using CSS for this? Depending on your theme you should have a look at the border property, e.g. border: 1px solid #fff.

If you had posted a link to your site I could have come up with an example for your CSS stylesheet.

https://www.buxwizblog.com

Thanks

Do you mean , you want to style up the sticky post? it will stay at top and have a border than other posts?

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Wordpress “Premium” theme generator
https://www.wpthemebuilder.com

Got it wokring on my own.