Restyling a panel with SASS and Ext JS 4 is surprisingly straightforward. By following the examples shown throughout this chapter, in particular the recipe demonstrating SASS variables, you are likely to find that panels and other components in your app will already be restyled.
This recipe will demonstrate the specific steps you need to take in order to restyle a panel and how to make use of more than one style set with panels.
We will not go as far as demonstrating support for legacy browsers (for example, Internet Explorer 6) in this recipe as this is covered in a later recipe.
As with previous recipes we will be using SASS with Compass so please ensure that you have everything setup on your development computer. ...