How i can import LESS CSS in .net?

i want开发者_如何学JAVA to use Google font in my own web page when i write on the top in LESS CSS File

@import url(http://fonts.googleapis.com/css?family=Kelly+Slab);

i got the error that

Illegal characters in path.

can someone tell me how i can use them in less css in my own asp.net project

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Try using single quotes around the actual url

@import url('http://fonts.googleapis.com/css?family=Kelly+Slab');