How to change the color of sidebar blocks in OJS 3.0

Hello dear friends if anyone know how to change the color of side bar on my journal website. here
i tried to look into bootstrap files but could not find. thanks

Hi @shaheen9867

Colors, fonts family, font size and any formatting relies upon CSS (stylesheet). You may check how to do improvements or modifications in PKP Theming Guide
documentation, see this link:

Israel Cefrin
Public Knowledge Project Team