phantasma/app/static/css/partials/_icomoon.scss

@font-face {
  font-family: 'icomoon';
  src:
    url('/static/fonts/icomoon/fonts/icomoon.ttf') format('truetype'),
    url('/static/fonts/icomoon/fonts/icomoon.woff') format('woff'),
    url('/static/fonts/icomoon/fonts/icomoon.svg#icomoon') format('svg');
  font-weight: normal;
  font-style: normal;
  font-display: block;
}

[class^="f-icon-"], [class*=" f-icon-"] {
  /* use !important to prevent issues with browser extensions that change fonts */
  font-family: 'icomoon' !important;
  speak: never;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;

  /* Better Font Rendering =========== */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.f-icon-triangle-up:before {
  content: "\e900";
}
.f-icon-triangle-right:before {
  content: "\e901";
}
.f-icon-triangle-left:before {
  content: "\e902";
}
.f-icon-triangle-down:before {
  content: "\e903";
}
.f-icon-volume_down:before {
  content: "\e906";
}
.f-icon-volume_up:before {
  content: "\e905";
}
.f-icon-volume_off:before {
  content: "\e904";
}