The images are not generated while you load the page. I pre-generated the images using the counter. This page is here just to show how the counter can be configured. Frame color and Thickness A frame with a bluish color is wrapped by default. This may not work with all browsers.
Random counter is displayed as no data file is specified.
The default frame thickness, color and digit style is used. Wrapped frame is with default color and thickness. Wrapped frame is with default color and asked thickness. The wrapped frame is of the asked color and default thickness. The color is used as hex string.