íconos de material CDN
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
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<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<i class="material-icons">face</i>
Material icons google
https://fonts.google.com/icons
/* fallback */
@font-face {
font-family: 'Material Icons';
font-style: normal;
font-weight: 400;
src: url(https://fonts.gstatic.com/s/materialicons/v128/flUhRq6tzZclQEJ-Vdg-IuiaDsNcIhQ8tQ.woff2) format('woff2');
}
.material-icons {
font-family: 'Material Icons';
font-weight: normal;
font-style: normal;
font-size: 24px;
line-height: 1;
letter-spacing: normal;
text-transform: none;
display: inline-block;
white-space: nowrap;
word-wrap: normal;
direction: ltr;
-webkit-font-feature-settings: 'liga';
-webkit-font-smoothing: antialiased;
}