Edit in JSFiddle

<ul id="footer_links" class="inlinelist">
    <li><a href="#">'About Us'</a></li>
     <li><a href="#">'About Us'</a></li>
    <li><a href="#">'About Us'</a></li>
     <li class="sparktechsoftware"><a href="#">'About Us'</a></li>
    </ul>

.sparktechsoftware, .inlinelist li.sparktechsoftware{
    clear:left;margin-top:10px;float:right;
    width:120px;display:inline;position:relative;
}

#footer_links{
  float:right;
  padding-top:3px;
  width:300px;
    background:green;
    margin-right:100px

}

.inlinelist{
  list-style:none;
  margin:0;
}

.inlinelist li, .inlinelist a{
  float:left;
  display:block;
    background:yellow
}

#footer_links a{
  margin-left:10px;
  font-weight:bold;
}