This new theme engine is very nice, but there is an issue. Web applications run in a browser. Sometimes we do not know which browser the user is going to use in order to access the application, and we have to make the application work in every browser. Legacy browsers do not support these CSS3 features, and we have to use images to be able to render the corners, background gradients, and so on.
If we open the
index.html file, which we are using for testing on the latest versions of Chrome, Firefox, and Internet Explorer, you will not note any issue. The browser will render the Components exactly as presented in the screenshots of this chapter. Now, let's try to open
index.html in Explorer 6 or 7 and see what happens: ...