Hi, all
First, welcome to the group for everything related to theme customization for WAB.
For those who got a chance to come to my talk on Mar 9th, 2016, here is the source code of the sample styles I demoed.
And for those who wasn't there, here is the what the styles are about:
Because customizing themes for WAB may vary dramatically from requirements to requirements. Some only need to update the colors, some need also to create custom layouts, widgets, or panels, and some require deep customization on the dijits from Dojo framework, ArcGIS API for JS, as well as Jimu components. I created three styles for the "JewelryBoxTheme" to show how a theme (or style in this case) can:
