Weekly Links #119

IE9, Opacity, and Alpha
IE9 will support the standard CSS opacity, and will no longer use the filter version. This is one I’ve been wanting for a long time.

Mastering the 960 Grid System
A detailed tutorial for using the CSS 960 grid framework. I presently use my own homemade grid system on this site.

Design Through Testability – An Example
Karl Seguin shows some code which is made more testable by using composition over inheritance. I’ve recently realized the benefits of composition over inheritance, particularly for testing.