In addition to tweaking alignments, you have a say in other aspects of the tables you create. These include
Width of the table
Spacing within and between cells
The next six sections walk you through each of these table features and discuss the XHTML elements and attributes you need to know to produce them.
Each revision to the HTML standard has shown increasing support for specialized browsers, such as Braille-based or speech-based browsers. Using these improvements makes your content more accessible to visually impaired users with text-based or speech-based browsers, and you should look for opportunities to work these new elements and attributes ...