These examples generally follow the flow of Chapter 2 of HTML & CSS: Design and Build Websites by Jon Duckett.

Testing HTML and CSS Concepts

Chapter 2: Text

This is bold type. This is strong type.

This is italic type. This is emphasis type.

These examples demonstrate subscripts, superscripts, insertions, deletions, citations, and strikethroughs:

On average, every 19th apple was rotten, leading to a yield of approximately 95% for the orchard's crop.
MnO2 + HCl = H2O + MnCl2 + Cl2 is an example of a redox reaction involving Chlorine and Manganese.
Chlorine Carbon has a typical charge of C4+.
I have tried to watch the movie Pulp Fiction many times, but I never make it past the first hour.
Was: $995, Now: $994.99

This is an inline quote: You miss 100% of the shots you don't take. - Wayne Gretzky - Michael Scott.

The following is a blockquote:

Had I the heavens’ embroidered cloths,
Enwrought with golden and silver light,
The blue and the dim and the dark cloths
Of night and light and the half light,
I would spread the cloths under your feet:
But I, being poor, have only my dreams;
I have spread my dreams under your feet;
Tread softly because you tread on my dreams.

- W.B. Yeats, Aedh Wishes for the Cloths of Heaven

An example of an abbreviation is NASA

Here, I will define the term brouhaha, meaning a ruckus or noisy reaction to something.