Why we use Bootstrap 4?

• Easy to use: Anyone who has the fundamental knowledge of the HTML and the CSS can start working on Bootstrap
• Responsive feature: The responsive CSS of Bootstrap adjusts to phones, tablets, and even desktops
• Mobile-first approach: In this version, the mobile-first styles are the part of the core framework
• Browser compatibility: Bootstrap 4 is compatible with the leading browsers like Google Chrome, Internet Explorer 10+, Mozilla Firefox, Edge, Safari & Opera.

This is a primary bootstrap 4 interview question.