Already solved, thank you very much.
It succeeds disabling the aggressive mode.
https://www.binaryturf.com/topic/differentiating-the-currently-selected-tab
Currently-Selected Tab UNLESS ‘Agressive Mode’ is turned OFF, in which event ALL the other tabs lose their Colour!!!
Thank you for creating this plugin. With Tab Mix Plus could differentiate the current tab with red, but this function was disabled when installed Tree Style Tabs, so now use tabs Colorfull Tabs only to highlight the current tab to red.
