Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Twitter Bootstrap 3 Helper 1.2.1-beta.1-signed.1-signed
by Maciej Klak
Simple extension that inform about actual displaying column (xs, sm, md, lg) of Twitter Bootstrap 3.
This add-on has been marked as experimental by its developers
This add-on is not compatible with your version of Firefox because of the following:
About this Add-on
1. Go to the page with installed Twitter Bootstap 3 (e.g. http://getbootstrap.com).
2. Activate add-on.
3. Change window width and read actual displaying column group (xs, sm, md, lg).