It's usually recommended. Source maps help you still find right line numbers and test changes, while minification+concatenation lets you write CSS across many files without worrying about HTTP requests.
Do note this practice may be discouraged as HTTP2 gains wider adoption.
SquareWheel|10 years ago
Do note this practice may be discouraged as HTTP2 gains wider adoption.
tomschlick|10 years ago
Concatenation yes, minifying is always a good thing though.