How to remove unused styles from twitter bootstrap?

Question

My bootstrap stylesheet size is around 120kb.

But I\'m only using 25% of that stylesheet code.

I don\'t want that span* class. I tried it by customizing it in

Answer 1

I got exactly the same problem!

I wrote a tool to remove all un-used css style rules in bootstrap.css

As a result, 59% rule has been removed, css file size reduced from 121KB to 59KB and increased about 5 score when testing with Google PageSpeed

The source code is here css-optimizer