Usually this is the best way.If the bootstrap.css has been renamed you can download bootstrap.css (or minified version) file,open css file in the website source, then [Ctrl+F]+[Ctrl+V].
Usually this is the best way.If the bootstrap.css has been renamed you can download bootstrap.css (or minified version) file,open css file in the website source, then [Ctrl+F]+[Ctrl+V].