Translations:Surveys - introduction/204/en
From LimeSurvey Manual
Below, you will see that you can choose a bootswatch theme for your survey group. Bootswatch themes can be used to quickly edit your templates. Basically, bootswatch is a collection of themed swatches which can be freely downloaded and dropped into your Bootstrap site. Some of these themes are already included into your LimeSurvey installation and they can be selected from the Bootswatch theme drop-down list.
Bootstrap is a free and open-source front-end web framework for designing websites and web applications. For more details, check the following wiki.
Bootswatch enables users to easily try new looks without investing too much time or energy. For more information on bootswatch themes, check the following link.