How can i add colspan rowspan and bg color in one <tr>?

Answer 1

https://code.sololearn.com/WYZjOS8C5Y7l/?ref=app

Answer 2

https://code.sololearn.com/W22nxpYMRg6d/?ref=app
That is can you do. Maybe with styles, divs, etc you can combine elements to do which you want ;-)

Answer 3

use CSS