Sub menu of dropdown menu pushing ul li - html

Question

here is what's happening.
As required!
http://jsfiddle.net/U99Br/
So I'm making this web site with a drop down menu, until now it was all good, but while doing my drop-down menu (I wanted to do something of the sort of Netflix's menu), I noticed my sub-menu is pushing the "contact" li tag 300px away (which is it's length).
Here's my code:
#menu,
#menu ul,
#menu li {
margin: 0;
padding: 0;
list-style: none;
}
#menu a {
text-decoration: none;
}
#menu {
height: 60px;
width: auto;
}
#menu > ul > li {
float: left;
margin-left: 15px;
position: relative;
}
#menu > ul > li > a {
color: #fff;
text-shadow: 1px 1px 5px #737373;
font-size: 20px;
line-height: 60px;
padding: 15px 20px;
}
#menu > ul > li > a:hover {
color: #000;
}
#menu > ul > li > ul {
opacity: 0;
visibility: hidden;
display: none;
background-color: #fff;
text-align: left;
height: auto;
box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.4);
width: 300px;
}
#menu > ul > li:hover > ul {
display: block;
border: none;
visibility: visible;
opacity: 1;
}
#menu > ul > li > ul > li {
display: block;
content: '';
}
#menu > ul > li > ul > li > a {
font-size: 12px;
color: #000;
display: block;
text-shadow: none;
}
#menu > ul > li > ul > li > a:hover {
color: #0AB3FC;
}
#menu > ul ul > li {
position: relative;
}
I have not found what's wrong in my coding yet!

Answer 1

ad a width to the first ul li so children can not push up width from parent
#menu > ul > li {
width:300px; /* add with here */
float: left;
margin-left: 15px;
position: relative;
}