Simulating stackoverflow like Tab effect - html

Question

I am trying to get the same effect for my tab which is in this site.
Here is what i tried: JsFiddle
I am unable to get the desired effect.
Can somebody tell me what am i missing.
.mytabs a {
display: block;
height: 24px;
text-decoration: none;
border: 1px solid rgba(0, 0, 0, 0);
border-bottom: 1px solid #CCC;
}
.mytabs a:hover {
border: 1px solid #CCC;
border-bottom-color: #FFF;
}
a.youarehere {
border: 1px solid #ccc;
border-bottom-color: #fff;
height: 30px;
}

Answer 1

FIDDLE
HTML
<div class="tabs-container">
<nav class="mytabs">
<ul>
<li><a class="youarehere" href="#">Menu 1</a></li>
<li>Menu 2</li>
<li>Menu 3</li>
</ul>
</nav>
</div>
CSS
.tabs-container{
border-bottom: 1px solid #cccccc;
height: 34px;
clear: both;
margin-bottom: 15px;
}
.mytabs ul {
list-style: none;
padding: 0;
margin: 0;
}
.mytabs ul li {
display: inline-block;
}
.mytabs a {
border: 1px solid transparent;
color: #777;
display: block;
float: left;
font-size: 90%;
height: 24px;
line-height: 20px;
margin: 9px 8px 0 0;
padding: 0 11px 0 11px;
text-decoration: none;
border-bottom: 1px solid #ccc;
}
.mytabs a:hover {
border: 1px solid #ccc;
}
.mytabs a.youarehere {
background: #fff;
border: 1px solid #ccc;
border-bottom-color: #ffffff;
color: black;
font-size: 120%;
height: 30px;
line-height: 28px;
margin-top: 3px;
padding: 0px 11px 0px 11px;
}