WP File Manager

Name	Action
..
clike.css	Edit
clike.js	Edit
index.html	Edit

Editing: clike.css

span.c-like-keyword {color: #90b;} span.c-like-number {color: #291;} span.c-like-comment {color: #a70;} span.c-like-string {color: #a22;} span.c-like-preprocessor {color: #049;} span.c-like-var {color: #22b;}