Skeleton is made to scale to also fit mobile browsers, following the principles of responsive web design. Does Bootstrap offer the same?
Apparently it should support it now.
Originally built with only modern browsers in mind, Bootstrap has evolved to include support for all major browsers (even IE7!) and, with Bootstrap 2, tablets and smartphones, too.
Source: http://twitter.github.com/bootstrap/#grid-system
If you go to the site and resize your browser, you will se it's fitting nicely.