Bootstrap togglable tabs

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap-responsive.css">
<script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-transition.js"></script>
<script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-tab.js"></script>
<div class="tabbable">
    <ul id="myTab" class="nav nav-tabs">
      <li><a href="#home" data-toggle="tab">Home</a></li>
      <li><a href="#profile" data-toggle="tab">Profile</a></li>
      <li><a href="#messages" data-toggle="tab">Messages</a></li>
      <li><a href="#settings" data-toggle="tab">Settings</a></li>
    </ul>
    <div class="tab-content">
      <div class="tab-pane fade in active" id="home">HOME ...  Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. </div>
      <div class="tab-pane fade in " id="profile">PROFILE ... Raw denim you probably haven't heard of them jean shorts Austin. Nesciunt tofu stumptown aliqua, retro synth master cleanse. Mustache cliche tempor, williamsburg carles vegan helvetica. Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. Aliquip placeat salvia cillum iphone. Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.</div>
      <div class="tab-pane fade in " id="messages">MESSAGES ... Aliquip placeat salvia cillum iphone. </div> 
      <div class="tab-pane fade in " id="settings">SETTING ... Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.</div>
    </div>
</div>

CSS

.nav-tabs > li > a{
	
	box-shadow: -2px -1px 3px -1px #aeaeae, 2px -1px 3px -1px #aeaeae;
	background-image:linear-gradient(to bottom, #fefefe, #dddedd);
	//border-bottom-color: transparent;
    border-radius: 8px 20px 0 0;
	border-bottom: none;
}
.nav-tabs > li > a:after{
    background-attachment: scroll;
    background-clip: border-box;
    background-color: transparent;
    background-image: radial-gradient(circle at 100% 0 , rgba(255, 255, 255, 0) 14px, #999 17px, #dddedd 18px);
    background-origin: padding-box;
    background-position: left bottom, right bottom, right top, left top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    content: "null";
    color:rgba(0,0,0,0);
    height: 20px;
    left: 31px;
    position: relative;
    top: 8px;
    width: 20px;
    z-index: 5;
}
.nav-tabs > li.active > a {
	box-shadow: -2px -1px 3px -1px #aeaeae, 2px -1px 3px -1px #aeaeae;
	color: @gray;
    background: #ffffff;
    border-bottom: none;
}
.nav-tabs > li.active > a:after{
    background-attachment: scroll;
    background-clip: border-box;
    background-color: transparent;
    background-image: radial-gradient(circle at 100% 0 , rgba(255, 255, 255, 0) 14px, #999 17px, #fff 18px);
    background-origin: padding-box;
    background-position: left bottom, right bottom, right top, left top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

JavaScript

$('#myTab a').click(function(e) {
    e.preventDefault();
    $(this).tab('show');
})