Resolve "Yet another Hot fix for 1233"

fixed the margins and adjusted the pulldown dropshadow. removed it from the upper textbox as it looked very off. Problem: two separate boxshadows for the textbox and the combobox container which resulted in them being cut off appearing and disappearing. also added a new color variable with a different dropshadow color, now looksbetter

before

after

Closes #1281 (closed)