You don't need to have a deep understanding of CSS, at least with Bootstrap in my opinion. But knowing it will make you way more productive though if you known the concepts behind those utility classes like flexbox.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
You don't need to have a deep understanding of CSS, at least with Bootstrap in my opinion. But knowing it will make you way more productive though if you known the concepts behind those utility classes like flexbox.