Html Css Drop Down Menu In Navigation Bar

I have the following navigation bar on website. I have tried adding a sub nav to html as follows (you can see under subject and pricing tab > subnav 1 and 2) here is the html

Solution 1:

this forum is for specific questions about code you may be struggling with, not general questions about how to create an entire feature for your site.

If you look to the right side of this page you will find your question has been asked several times before. You can check out those questions and see how others have answered, or even better, here's a great and easy-to-follow tutorial for you to check out: http://net.tutsplus.com/tutorials/html-css-techniques/how-to-build-a-kick-butt-css3-mega-drop-down-menu/