How to divide a container into even parts depending on the number of blocks?

Question

css

Let's say there is a 320px block. It has 3 divas with different inscriptions. How can I make them line up in this div with the same width. And if you add then the 4th div. Would they be divided into 4 equal parts?

Answer 1

https://codepen.io/anon/pen/PBGNLZ

Answer 2

You should use Flexbox or CSS Grid Layout .