https://codepen.io/plfstr/full/zYqQeRw

Knew:
	html
	head
	body
	meta
	link
	base
	script
	title
	main
	h1
	h2
	h3
	h4
	h5
	h6
	article
	section
	div
	span
	style
	header
	footer
	table
	caption
	thead
	tfoot
	tbody
	tr
	th
	td
	ul
	ol
	li
	dl
	dt
	dd
	img
	figure
	figcaption
	picture
	audio
	video
	source
	canvas
	p
	br
	wbr
	col
	colgroup
	object
	param
	map
	area
	svg
	math
	i
	em
	b
	s
	del
	ins
	strong
	mark
	kbd
	code
	var
	pre
	iframe
	dfn
	abbr
	aside
	small
	u
	a
	embed
	ruby
	rt
	rp
	rb
	input
	select
	button
	option
	form
	hr
	nav
	data
	time
	output
	noscript
	hgroup

Didn’t know:
	address
	blockquote
	bdi
	bdo
	cite
	q
	rtc
	samp
	sub
	sup
	track
	datalist
	fieldset
	label
	legend
	meter
	optgroup
	progress
	textarea
	details
	dialog
	menu
	summary
	slot
	template