similar to the question mention How do I round the corners of my web part titles on my SharePoint site? [ How do I round corners of web part titles? ], I would like to see , the put a black outline border on my script editor / content editor web part, how to achieve the same ?
I used the https://www.w3schools.com/css/css_outline.asp link and its sample to outline for a paragraph, custom html. But here in my case, its a the
list view web part itself and another
script editor web part