Controlling Your Colors
The <body> tag allows you to set attributes that control the
background color and default text color for your document, this will insure
that all visitors see your page in the same color theme. If your
browser's default colors are the same as the colors you select, you may
not notice a change when you set these attributes; however, it is very
important to set these attributes in all HTML documents. If you
don't, the background color and text color for your page will be
controlled by the default color settings in the visitor's browser.