Background
    ---------------------
    New keyword
     
     
    Use: Used to set the background colour using RGB values. This has
    no immediate effect on the background, but when you next clear the
    background it is set to this colour.
     
    Syntax is: Background R%,G%,B%
     
    Where: R% stands for Red, G% for Green and B% for blue. The range is
    from 0 to 255. The Output keyword affects the Background statement.
     
    For further info about Graphics in WimpBasic click here.
     
    Other keywords in the Graphics category.