though this looks like a
complex work, you can try like this -->
admin panel >> themes >> active theme >>
Add Stylesheet (tab) -->
File Name -->
index.css
Attached to --> select
Specific files then click on
Add another link
-->
File <--
index.php &
select Globally
then
select Write my own content
type
required css style code in the
text area
[class^="trow"] {color: #colorcode!important;}
(
html color codes)
save the stylesheet and
check your index page by hard refreshing browser (eg. press CTRL + F5)