My inquisitive mind believes that the answer lies in the negative, however, CSS3 pseudo-selectors have the ability to work their magic almost like performing illusions on a stage.
In an absurd context, I am determined to locate and style the period character inside spans. The reasons behind this endeavor are too ridiculous to explain. Unfortunately, the elusive character's position varies each time, making it challenging to pinpoint. My assumption is that without JavaScript, achieving this task might not be possible, but I seek confirmation.