Демо на Jsfiddle
<link href="#" onclick="location.href='https://fonts.googleapis.com/icon?family=Material+Icons'; return false;" rel="stylesheet">
<link rel="stylesheet" href="#" onclick="location.href='https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.0/css/materialize.min.css'; return false;">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.0/js/materialize.min.js"></script>
<i class="material-icons">add</i>
<i class="material-icons">replay</i>