zammad/app/assets/stylesheets/application.css

/*
 * This is a manifest file that'll automatically include all the stylesheets available in this directory
 * and any sub-directories. You're free to add application-wide styles to this file and they'll appear at
 * the top of the compiled file, but it's generally better to create a new file per style scope.
 *= require_self
 *= require ./bootstrap.css
 *= require ./cropper.min.css
 *= require ./fineuploader.css
 *= require ./ui-lightness/jquery-ui-1.8.23.custom.css
 *= require ./jquery.noty.css
 *= require ./bootstrap-tokenfield.css
 *= require ./noty_theme_twitter.css
 *= require ./sew.css
 *= require ./fonts/fira-sans.css
 *= require ./zammad.css.scss
 *
 *= require_tree ./custom/
 *
*/