css modify material-icons code example
Example 1: material icons cdn
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
Example 2: google material icons
<i class="material-icons">face</i>
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<i class="material-icons">face</i>