title: How do you create slidedown effects like this?
body: <p>check this out 
  <a href="http://heroku.com/" rel="nofollow noreferrer">http://heroku.com/</a></p>
  
  <p>How do you created stuff like this?(referring to the slidedown) Do you have mouseover events for javascript or is it all css? Cud someone please give a basic outline?</p>