The main body of that color will be at Lists, Menus & Tabs > Tab > Body, the other part of the tabs would be located at Lists, Menus & Tabs >Tab.
What program are you showing in your screenshot?
Are you talking about the black colored text for the connection numbers?
Goto Lists, Menus & Tabs > Tab > Body and Click on body then click on Edit button.
If you have not set an image editor yet you will be asked to just navigate to the image editor .exe then you will need to change the color of that image is a small image one pixel by one pixel when you are done editing the image save it and then click the Done Editing Image button.
I will download a trial version of that Internet Download Manager and see if that text color can be changed I will let you know.
ok about the other 3 fonts i asked u about in message
2 work great but (highlighttext) work in side and in the other side not working like this
like all download turn to the new color but
in the other list still black
maybe it's problem in idm