<!doctype html>
<style>
body { counter-reset: x 0; }
div {
counter-increment: inherit;
}
div:before {
content: counter(x);
}
</style>
<div></div>
<!doctype html>
<style>
body { counter-reset: x 0; }
div {
counter-increment: inherit;
}
div:before {
content: counter(x);
}
</style>
<div></div>