overleaf/services/web/frontend/fonts/material-symbols/material-symbols.css

@font-face {
  font-family: 'Material Symbols Rounded';
  font-style: normal;
  font-weight: 400;
  font-display: block;

  /*
    Generated from MaterialSymbolsRounded[FILL,GRAD,opsz,wght].woff2 with specific values:
   'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20
  */
  src: url('MaterialSymbolsRoundedSlice.woff2') format('woff2');
}

@font-face {
  /* note: was "Material Symbols Rounded Unfilled Partial" but must be a name in Firefox's icon_font_allowlist */
  font-family: 'Material Symbols Outlined';
  font-style: normal;
  font-weight: 400;
  font-display: block;

  /*
    Generated by frontend/fonts/material-symbols/build-unfilled.mjs
    */
  src: url('MaterialSymbolsRoundedUnfilledPartialSlice.woff2') format('woff2');
}

.material-symbols {
  font-family: 'Material Symbols Rounded';
  font-weight: normal;
  font-style: normal;
  font-size: 20px;
  font-variation-settings:
    'FILL' 1,
    'wght' 400,
    'GRAD' 0,
    'opsz' 20;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;

  &.size-2x {
    font-size: 2em;
  }

  &.rotate-180 {
    transform: rotate(180deg);
  }

  &.unfilled {
    /* note: was "Material Symbols Rounded Unfilled Partial" but must be a name in Firefox's icon_font_allowlist */
    font-family: 'Material Symbols Outlined';
    font-variation-settings:
      'FILL' 0,
      'wght' 400,
      'GRAD' 0,
      'opsz' 20;
  }
}