If not available, the browser goes to the next type in the list and so on. There are 6 elements to the body tag that can be modified. These elements are listed below. You do not have to have all 6 of these elements. Just use the elements that you prefer.
Standard color is blue.
Standard color is purple. This is the color of the hyperlink when it is being clicked upon. The file will repeat itself infinitely so a small graphic will fill the screen. There are many locations on the Web that offer these background images. Place a link to this page on all of your other pages.