.element
font-size: 1em
+tablet()
font-size: 1.2em
+retina()
font-size: 1.21em
BUG: stylus sourcemaps is pointing to the block mixin creation instead of the place where it is called
BUG: stylus is not merging nested @media statements when they are in a block mixin
.element
font-size: 1em
@media $tablet
font-size: 1.2em
@media $retina
font-size: 1.21em