main content a box {
border: solid;
}
supplemtal text b sidebar {
@extend box;
background: gray;
}
/********/
mammal {
blood: warm;
}
mammal.furry.quadruped {
fur: lots;
legs: 4;
}
human {
@extend mammal;
says: "hello";
}
dog {
says: "woof";
@extend mammal.quadruped;
}
/********/
region.country {
inhabitant.mouse {
eats: cheddar;
}
}
region.city {
inhabitant.mouse {
eats: camembert;
}
}
region.country citizen {
@extend inhabitant;
ssn: 123 45 6789;
}
region tax-payer {
@extend inhabitant;
rate: 17%;
}
/********/
foo {
color: red;
}
.a.bar {
@extend fo#{o};
background: gray;
}
/********/
foo {
color: red;
}
hux, .bar.a {
@extend foo;
background: blue;
}