:nth-child(1) {
	color: red;
}

p:nth-child(1) {
	color: red;
}

.foo:nth-child(1) {
	color: red;
}

.before1 .before2 > :nth-child(1) > .during3 {
	color: red;
}

.before1 .before2 > :nth-child(2) > .during3 {
	color: red;
}

.before1 .before2 > :nth-child(3) > .during3 {
	color: red;
}

.before1 .before2 > .during1:nth-child(4).during2 > .during3 {
	color: red;
}