I have found a script that does exactly that (generates CSS and HTML for the layers and offers an option of exporting those in % values) and cuts the work for the web-dev in half for Photoshop. Now I ...
How do does one sync file changes in a Phothoshop file exported from Illustrator while maintaining layers
I am creating a website mockup with invisionapp.com, an app that let's you test drive website and mobile user experience with no coding, just graphics. They have a cool feature that allows you to ...