Displaying columns with space between them
<p>How I can display columns with space between them? by default they are all following each other and I can't find a way to change that.</p>

<p>Here is an example from youtube:
<a href="https://i.stack.imgur.com/HFOC8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HFOC8.png" alt="enter image description here"></a></p>