You can change background color simpy selecting appropriate one in a list. There are a table of colors on the page.
This script displays a wheel effect in the background. It includes a HTML code generator that allows changes to parameters without any knowledge of JavaScript and HTML.
This script displays a stretch effect in the background. It includes a HTML code generator that allows changes to parameters without any knowledge of JavaScript and HTML.
This script displays a background shear effect. It includes an HTML code generator that allows changes to parameters without any knowledge of JavaScript and HTML.
This script rotates and zooms effects in the background. It includes an HTML code generator that allows changes to parameters without any knowledge of JavaScript and HTML.
This script displays a 'rotate hue' effect in the background. It includes an HTML code generator that allows changes to parameters without any knowledge of JavaScript and HTML.
This script displays a background rotate effect. It includes an HTML code generator that allows to change parameters without any knowledge of JavaScript and HTML.
This script displays a gradient fade effect in the background. It includes an HTML code generator that allows changes to parameters without any knowledge of JavaScript and HTML.
This script displays a fog effect in the background. It includes an HTML code generator that allows changes to parameters without any knowledge of JavaScript and HTML.
This script displays a fire effect in the background. It includes an HTML code generator that allows changes to parameters without any knowledge of JavaScript and HTML. | 
