openproject/public/themes/example/stylesheets/application.css

/* This file is used to define colors for ChiliProject. They are kept   */
/* separate in order to make it easy for someone to create a new theme. */
/*                                                                      */
/* Some default colors are defined in application.css, mostly grays and */
/* logical ones (e.g. errors are red).                                  */

@import url(../../../stylesheets/application.css);