Do you know the difference? pseudo-classes vs pseudo-elements

I've had a lot of people ask me the difference between pseudo-classes and pseudo-elements, so I figured why not make a video on it!

? Links
✅ ::first-line and ::first-letter: https://youtu.be/kp4CZhKxEi4
✅ ::before and ::after: https://youtube.com/playlist?list=PL4-IK0AVhVjPBX_HelwDlNsTiyr2YGSBw
✅ Code from this video: https://codepen.io/kevinpowell/pen/JjWzaPo
✅ MDN article listing all the pseudo-selectors: https://developer.mozilla.org/en-US/docs/Learn/CSS/Building_blocks/Selectors/Pseudo-classes_and_pseudo-element #reference_section

⌚ Timestamps
00:00 - Introduction
00:51 - pseudo-classes
01:46 - pseudo-elements
02:59 - why you sometimes see pseudo-elements with a single colon
03:48 - injecting content
04:53 - do we really need to know the difference?

#css

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