Links with stars on them are not essencial to the flow of the webpage, But add a touch of realism to the site. It would be to the benifit of the pupils mark to check out all the webpages, say if you were a teacher.
If you do not now have your system configured the following will happen.
-Most backgrounds will tile if your pixilation is to big. And you will only be able to see half of the background(Backgrounds play an esencial part in this webpage)
-You already know the consequences of low color
-If you do not have your system configured the webpage quality will lose at least 70% of its entertainment value
-Lack of a sound card will result in no sounds