RedSocial Icons Animated Hover

by DanielSTh

HTML

<ul id="navigationMenu">
    <li>
        <a class="home" href="#">
            <span>Facebook</span>
        </a>
    </li>

    <li>
    	<a class="about" href="#">
            <span>Twetter</span>
        </a>
    </li>

    <li>
         <a class="services" href="#">
            <span>Google+</span>
         </a>
    </li>

    <li>
    	<a class="portfolio" href="#">
            <span>YouTube</span>
        </a>
    </li>

    <li>
    	<a class="contact" href="#">
            <span>Feed</span>
        </a>
    </li>
</ul>

CSS

*{
    /* A universal CSS reset */
    margin:0;
    padding:0;
}

body{
    font-size:14px;
    color:#666;
    background:#f1f1f1 no-repeat;
    font-family:Arial, Helvetica, sans-serif;
}

#navigationMenu li{
    list-style:none;
    height:39px;
    padding:2px;
    width:40px;
}
#navigationMenu span{
    /* Container properties */
    width:0;
    left:28px;
    padding:0;
    position:absolute;
    overflow:hidden;
    z-index:-1;

    /* Text properties */
    font-family:'Myriad Pro',Arial, Helvetica, sans-serif;
    font-size:16px;
    font-weight:bold;
    letter-spacing:0.6px;
    white-space:nowrap;
    line-height:30px;
    margin-top:5px;
    border-radius:0 30px 5px 0;

    /* CSS3 Transition: */
    -webkit-transition: 0.25s;

    /* Future proofing (these do not work yet): */
    -moz-transition: 0.25s;
    transition: 0.25s;
    
     box-shadow: 0px 3px 3px rgba(0,0,0,0.4);    
}




#navigationMenu a{
    /* The background sprite: */
    background:#FFF url('img/navigation.jpg') no-repeat;

    height:38px;
    width:38px;
    display:block;
    position:relative;
    
    text-shadow: 0px 4px 3px rgba(0,0,0,0.4),
    0px 8px 13px rgba(0,0,0,0.1),
    0px 18px 23px rgba(0,0,0,0.1);
    
    box-shadow: 0px 4px 3px rgba(0,0,0,0.4),
    0px 8px 13px rgba(0,0,0,0.1),
    0px 18px 23px rgba(0,0,0,0.1);
    color:#fff;
    border-radius:18px;
}

/* General hover styles */

#navigationMenu a:hover span{ width:auto; padding:0 20px;overflow:visible; }
#navigationMenu a:hover{
    text-decoration:none;
 
    box-shadow: 0px 3px 3px rgba(0,0,0,0.4);
}
/* Facebook Button */

#navigationMenu .home {	background-position:0 0;}
#navigationMenu .home:hover {	background-position:0 -39px;}
#navigationMenu .home span{
    background-color:#3b5999;
}

/* Twetter Button */

#navigationMenu .about { background-position:-38px 0;}
#navigationMenu .about:hover { background-position:-38px -39px;}
#navigationMenu .about span{
    background-color:#29C5F6;
}

/* G+...