Dropdown Menu CSS

Question

I cannot figure out what is wrong with my dropdown menu. When I over over the main level link, the drop down appear but at the left of my screen instead of underneath the ma

Answer 1

If you are free to change the CSS style, why not think of doing something like this. Why not try with this CSS style?

HTML

    

        Menu 1
        

            
Sub Menu Item
            
Sub Menu Item
            
Sub Menu Item
        
    
    

        Menu 2
        

            
Sub Menu Item
            
Sub Menu Item
            
Sub Menu Item
        
    
    

        Menu 3
        

            
Sub Menu Item
            
Sub Menu Item
            
Sub Menu Item
        
    

CSS

* {font-family: "Segoe UI", Tahoma;}
ul.nav {border-bottom: 1px solid #999;}
ul.nav li a {display: block; text-decoration: none; color: #333; padding: 5px; border: 1px solid #fff;}
ul.nav > li:hover {border: 1px solid #666; border-bottom: 1px solid #fff;}
ul.nav li a:hover {background: #ccc; border: 1px solid #999;}
ul.nav > li {display: inline-block; position: relative; border: 1px solid #fff;}
ul.nav > li ul {display: none; position: absolute; left: -1px; width: 150px; border: 1px solid #666; border-top-color: #fff; margin-top: 1px;}
ul.nav > li:hover ul {display: block;}
ul.nav > li ul li {display: block;} /* Vertical Menu */
ul.nav > li ul li {display: inline-block;} /* Horizontal Menu */

Fiddle:
http://jsfiddle.net/vMuxA/ (Vertical Menu)
http://jsfiddle.net/vMuxA/1/ (Horizontal Menu)