They both are popular CSS framework tools which saves a lot of times for web developing. Bootstrap comes with a set of pre-styled responsive, mobile-first components that possess a definite UI kit. Tailwind CSS uses a set of utility classes to create a neat UI with more flexibility and uniqueness.

In CSS, the term box model is used when talking about design and layout. The CSS box model is essentially a box that wraps around every HTML element. It consists of: margins, borders, padding, and the actual content.

Semantic HTML elements are those that clearly describe their meaning in a human- and machine-readable way. Elements such as header , footer and article are all considered semantic because they accurately describe the purpose of the element and the type of content that is inside them