mauricss

 <style>
* Loghi */
        #loghi { margin-top: 10px; box-sizing: border-box; background-color: #FFF; background-color: rgba(255, 255, 255, .8); }
        #loghi ul { margin: 0; padding: 0; list-style: none; text-align: center; }
        #loghi ul > li { margin: 0; display: inline-block; width: 28%; vertical-align: middle; padding: 23px 0 23px 0; box-sizing: border-box; }
        /* Loghi - mobile */
        @media all and (max-width: 610px) {
            #loghi ul > li { width: 100%; padding: 15px 0 15px 0; }
        }
 </style>
<div id="loghi">
        <ul>
            <li><a href="http://www.csi-net.it/" target="_blank"><img src="/content/dam/telecomitalia/auguri2015/logo-csi.png" alt=""></a></li>
            <li><a href="http://www.legaseriea.it/it/" target="_blank"><img src="/content/dam/telecomitalia/auguri2015/logo-seriea.png" alt=""></a></li>
            <li><a href="http://www.tim.it" target="_blank"><img src="/content/dam/telecomitalia/auguri2015/logo-tim.png" alt=""></a></li>
        </ul>
    </div>