:nth-letter()

I'm an H1 Headline

I'm an H2 Headline

I'm an H3 Headline

I'm an H4 Headline

I'm an H5 Headline

I'm an H6 Headline

:nth-word()

I'm an H1 Headline With Seven Words

I'm an H2 Headline With Seven Words

I'm an H3 Headline With Seven Words

I'm an H4 Headline With Seven Words

I'm an H5 Headline With Seven Words

I'm an H6 Headline With Seven Words