title: Drupal Main menu renders horizontally
body: <p>I am not sure how this has happened. but wherever I render the block of my main menu, it displays it's links horizontally rather vertically.</p>
  
  <p>The deal is, with each of the themes that I have, the main menu renders itself horizontally, so I am assuming this is not a theme specific issue and more of a general issue.</p>
  
  <p>Anybody with cues on whats happening here and how I can attempt to fix this ?</p>
  
  <p>Thanks!</p>