I think the title says it all, just look at this
The easiest way. No tables. No packages.
If there is need for some, I can't complain though.
It's just because I haven't seen a question quite like this one for TEX.
The image is from Word and what the person basically did was to select the entire line and fill with a background colour fill.
Thank you.
Best Answer
Pretty easy with
tcolorbox
and same special settings, although this is a package and at least one package must be loaded to support colours.