A CSS Primer #01
[Cascading Style Sheets]

HOW DO STYLES WORK?

Let's say you have the following design: several paragraphs prefaced by headers created with <h4> tags.

Setting Up

The ship drew on and had safely passed the strait, which some volcanic shock has made between the Calasareigne And Jaros islands; had doubled Pomegue, and approached the harbor under topsails, jib, and spanker, but so slowly and sedately that the idlers, with that instinct which is the forerunner of evil, asked one another what misfortune could have happened on board.

Formatting

The ship drew on and had safely passed the strait, which some volcanic shock has made between the Calasareigne And Jaros islands; had doubled Pomegue, and approached the harbor under topsails, jib, and spanker, but so slowly and sedately that the idlers, with that instinct which is the forerunner of evil, asked one another what misfortune could have happened on board.

Emphasizing

The ship drew on and had safely passed the strait, which some volcanic shock has made between the Calasareigne And Jaros islands; had doubled Pomegue, and approached the harbor under topsails, jib, and spanker, but so slowly and sedately that the idlers, with that instinct which is the forerunner of evil, asked one another what misfortune could have happened on board.

You decide that the headers would work better if they were colored blue.

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