/usr/share/javascript/rebar/less/ is in libjs-rebar 0.3.2~dfsg1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/javascript/rebar/less/app/
/usr/share/javascript/rebar/less/app.less
/usr/share/javascript/rebar/less/app/backgrounds.less
/usr/share/javascript/rebar/less/app/icons.less
/usr/share/javascript/rebar/less/app/mobile.less
/usr/share/javascript/rebar/less/app/tablet.less
/usr/share/javascript/rebar/less/app/web.less
/usr/share/javascript/rebar/less/app/webfonts.less
/usr/share/javascript/rebar/less/config.less
/usr/share/javascript/rebar/less/rebar/
/usr/share/javascript/rebar/less/rebar.less
/usr/share/javascript/rebar/less/rebar/base.less
/usr/share/javascript/rebar/less/rebar/boxes.less
/usr/share/javascript/rebar/less/rebar/buttons.less
/usr/share/javascript/rebar/less/rebar/clearing.less
/usr/share/javascript/rebar/less/rebar/forms.less
/usr/share/javascript/rebar/less/rebar/grid.less
/usr/share/javascript/rebar/less/rebar/images.less
/usr/share/javascript/rebar/less/rebar/links.less
/usr/share/javascript/rebar/less/rebar/lists.less
/usr/share/javascript/rebar/less/rebar/messages.less
/usr/share/javascript/rebar/less/rebar/navigation.less
/usr/share/javascript/rebar/less/rebar/rectangles.less
/usr/share/javascript/rebar/less/rebar/separators.less
/usr/share/javascript/rebar/less/rebar/shapes.less
/usr/share/javascript/rebar/less/rebar/tables.less
/usr/share/javascript/rebar/less/rebar/typography.less
/usr/share/javascript/rebar/less/rebar/validation.less