[css-images-4] I added two png images to example 33 to the stripes() function. I resized each of image to 1em, and added a border on the left and also on the right in the second example in transparent.

Author: francescorn

css-images-4/Overview.bs

@@ -2025,7 +2025,7 @@ Color Stop “Fixup”</h4>
 		which is then distributed in the 1:2 ratio
 		dictated by the <<flex>> values.
 
-		<img src="images/example-33-2-transparent.png" style="height: 1em; width:400px;" alt="">
+		<img src="images/example33-2.png" style="height: 1em; width:400px;" alt="">
 
 		(This is similar to how [=flex layout=] deals with small <<flex>> sums on a line,
 		and ensures smoothly continuous behavior