CSS
body {
background: #333;
text-align: center;
}
#container {
display: inline-block;
padding: 5px;
margin: 60px;
background: rgba(0,0,0,0.1);
position: relative;
-webkit-border-radius: 100px;
-moz-border-radius: 100px;
border-radius: 100px;
-webkit-box-shadow: inset 0px 1px 2px 0px rgba(0,0,0,0.4), 0px 1px 1px 0px rgba(255,255,255,.1);
-moz-box-shadow: inset 0px 1px 2px 0px rgba(0,0,0,0.4), 0px 1px 1px 0px rgba(255,255,255,.1);
box-shadow: inset 0px 1px 2px 0px rgba(0,0,0,0.4), 0px 1px 1px 0px rgba(255,255,255,.1);
-webkit-transition: all .2s ease;
-moz-transition: all .2s ease;
-ms-transition: all .2s ease;
-o-transition: all .2s ease;
transition: all .2s ease;
}
#container ul {
padding: 0;
height: 40px;
margin: 0;
list-style: none;
overflow: hidden;
-webkit-box-shadow: inset 0px 1px 1px 0px rgba(255,255,255,.2), 0px 1px 2px 0px rgba(0,0,0,0.5);
-moz-box-shadow: inset 0px 1px 1px 0px rgba(255,255,255,.2), 0px 1px 2px 0px rgba(0,0,0,0.5);
box-shadow: inset 0px 1px 1px 0px rgba(255,255,255,.2), 0px 1px 2px 0px rgba(0,0,0,0.5);
background: #5c6063;
background-image: -moz-linear-gradient(top, rgba(0,0,0,0) 0%, rgba(0,0,0,0.3) 100%);
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(0,0,0,0)), color-stop(100%,rgba(0,0,0,0.3)));
background-image: -webkit-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.3) 100%);
background-image: -o-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.3) 100%);
background-image: -ms-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.3) 100%);
background-image: linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.3) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00000000', endColorstr='#4d000000',GradientType=0 );
-webkit-border-radius: 100px;
-moz-border-radius: 100px;
border-radius: 100px;
}
#container ul li {
background: rgba(255,255,255,0.0);
float: left;
text-align: center;
border-right: 1px solid #666;
border-left:...