Document styles:

body {background: white; color: black;}
#test {background:
	url(topleft.gif) 0 0 no-repeat,
	url(topright.gif) 100% 0 no-repeat,
	url(botleft.gif) 0 100% no-repeat,
	url(botright.gif) 100% 100% no-repeat;
	padding: 25px; background-color: #008000;}
Let's add four images to a single background! I mean, why not?