/usr/share/sass/stylesheets/_compass.scss is in sass-stylesheets-compass 0.12.10-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | @import "compass/functions";
@import "compass/utilities";
@import "compass/typography";
@import "compass/css3";
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