I just test Html code with the help validator tool. It seems Link text is missing in HTML below code. How to fix this error.
<ul class="social">
<li><a href="http://www.facebook.com" class="poshytip facebook" title="Become a fan"></a></li>
<!-- <li><a href="http://www.twitter.com" class="poshytip twitter" title="Follow my tweets"></a></li> -->
<li><a href="http://www.youtube.com" class="poshytip youtube" title="Working on..."></a></li>
</ul>
CSS-
.rounded .facebook{ background: url(../img/social-icons/rounded/facebook_32.png); }
I am using CSS too. Its Look Like Below.

I dont want to insert text in this.
put the text