Most bloggers actually do post to the forum when contemplating the css customization upgrade. When they do so they ask if the specific changes they wish to make to the appearances of their blogs will be made possible by css editing. We then provide them with the links describing what is available re: css cusstomization here.
If you had done that we could have told you that whether or not you had the upgrade you could not have "star-light".
Before you carry on making any further allegations perhaps you should read what wordpress management have to say in the links below. They make no false promises whatsoever.
In the Please Read Me First: What is Custom Css? post Andy states the css restriction right off the top:
Too bad you didn't read it.