All settings (e.g. behavior, change themes & etc ) avaliable by Hotkeys after run programm
Now active tab has a customizable translucency.
Adjustment is performed by setting the background color and his transparency level, e.g.:
background color: #000000; transparency level: 60%
It's looks well if a level of transparency in Konsole Profile (Appearance > Color Scheme > "White on Black") set to 40%