.pwpi-library { border-top:1px solid #ccc; font-size:0; padding:10px 0; text-align: center;}
.pwpi-library .icon { display:inline-block; margin:5px 5px 5px 0; overflow:hidden; position:relative; vertical-align:middle; }
.pwpi-library .icon img { display:block; }
.pwpi-library .icon:last-child { margin-right:0; }

@media (max-width: 479px) {
    .pwpi-library {text-align: center;border-top:0;}
}