Issue with Custom NWBC Theme

Hello

I am using NWBC 5.0 PL15

I following following writeup

custom theme

to activate custom theme, it achieved using custom background pic and logo but we ran into all other issues

like

1. Drop down list does not show all values

2. table , fields everything looks completely different even though copied from standard theme

with all these issues this is unusable, is it because of low NWBC version, is there any fix so that everything else is kept perfectly same like blue crystal or corbu and only backgroud pic and logo is changed