/usr/share/zabbix/css.css is in zabbix-frontend-php 1:1.8.11-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | /* CSS Document */
@import "styles/default.css";
@import "styles/div.css";
@import "styles/link.css";
@import "styles/table.css";
@import "styles/form.css";
@import "styles/ul.css";
@import "styles/p.css";
@import "styles/popupmenu.css";
@import "styles/blocks.css";
@import "styles/calendar.css";
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