Translations:New Template System in LS3.x/137/en
From LimeSurvey Manual
Another way to find the exact name to use in the remove tag is to turn asset manager on (turning debug mode off or setting 'use_asset_manager'=>true in the config). Then, the path to use will be the one just after the random directory in the tmp directory. For example, for awesome-bootstrap-checkbox.css:
<link rel="stylesheet" type="text/css" href="/tmp/assets/cbc4e3cb/awesome-bootstrap-checkbox/awesome-bootstrap-checkbox.css" />