Example 1

Please use <h1> to type the above line.

Example 2

Can you see the font size is smaller when you compare Example 1 and Example 2?

Example 3

          See the effect of the element of <pre>.
                    How do I line up?
          It leaves the way that you typed for spaces and break lines.
          Make sure that the block ends up with <pre>.
      

Example 4

Example 5

Example 6

Use heading tags to outline the structure of your web page content.