mixin for stylus

[eybarta]

Hi, thanks for this great plugin..

for anyone interested using a Stylus mixin, here's what I came up with:

style.styl

.selector
    +query(500)
        background red

mixin.styl

query($bp)
	&[{'min-width~="%d%s%s"' % ($bp \p \x)}]
		{block}

good luck!