Using Semantic markup to mark emphasized or special text

em and strong elements

...What she really meant to say was, "This isn't ok, it is excellent!...

blockquote and cite elements

The following is an excerpt from the The Story of my Life by Helen Keller

Even in the days before my teacher came, I used to feel along the square stiff boxwood hedges, and, guided by the sense of smell, would find the first violets and lilies. There, too, after a fit of temper, I went to find comfort and to hide my hot face in the cool leaves and grass.

q element

Helen Keller said, Self-pity is our worst enemy and if we yield to it, we can never do anything good in the world.

sub and sup elements

Beth received 1st place in the 9th grade science competition.

The chemical notation for water is H2O.