/usr/share/horde/ansel/templates/widgets/begin.html.php is in php-horde-ansel 3.0.5+debian0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | <!-- Start Widget -->
<div class="anselWidget" style="background-color:<?php echo $this->background ?>;">
<h2 class="header tagTitle"><?php echo $this->title ?></h2>
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