OL not displaying propelry

i used
<ol>
<li>1</li>
<li>2</li>
</ol
by default i shld get nos but its not working
the nos r not egtting dislayed

nos?

yes currently i want nos
but i even checked with roman (i), alphabets(a) but nothing working

Check out the styles you’re applying to the list (for example with the FF plugin Firebug).

Do you have a link?