Katsunami, please explain that more simply. I'm a not techie and find Calibre over complex at times. I certainly could handle CSS, whatever that is.
The 505 can't display epubs very well. This is discussed in the "What we're working on" thread in the Uploads department. This is the very reason I'm buying the kindle.
See the last 3 pages of this thread:
https://www.mobileread.com/forums/sho...=10203&page=58