<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quibusdam ab at voluptatibus</p>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quibusdam ab at voluptatibus</p>
p {
counter-increment : num;
}
p:before { 
content : counter(num)"- ";
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.