nitter/public/css/fontello.css

@font-face {
  font-family: 'fontello';
  src: url('/fonts/fontello.eot?6327398');
  src: url('/fonts/fontello.eot?6327398#iefix') format('embedded-opentype'),
       url('/fonts/fontello.woff2?6327398') format('woff2'),
       url('/fonts/fontello.woff?6327398') format('woff'),
       url('/fonts/fontello.ttf?6327398') format('truetype'),
       url('/fonts/fontello.svg?6327398#fontello') format('svg');
  font-weight: normal;
  font-style: normal;
}

 [class^="icon-"]:before, [class*=" icon-"]:before {
  font-family: "fontello";
  font-style: normal;
  font-weight: normal;
  speak: none;

  display: inline-block;
  text-decoration: inherit;
  width: 1em;
  text-align: center;

  /* For safety - reset parent styles, that can break glyph codes*/
  font-variant: normal;
  text-transform: none;

  /* fix buttons height, for twitter bootstrap */
  line-height: 1em;

  /* Font smoothing. That was taken from TWBS */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-help-circled:before { content: '\e800'; } /* '' */
.icon-attention:before { content: '\e801'; } /* '' */
.icon-comment:before { content: '\e802'; } /* '' */
.icon-ok:before { content: '\e803'; } /* '' */
.icon-play:before { content: '\e804'; } /* '' */
.icon-link:before { content: '\e805'; } /* '' */
.icon-calendar:before { content: '\e806'; } /* '' */
.icon-location:before { content: '\e807'; } /* '' */
.icon-down-small:before { content: '\e808'; } /* '' */
.icon-picture:before { content: '\e809'; } /* '' */
.icon-lock-circled:before { content: '\e80a'; } /* '' */
.icon-down:before { content: '\e80b'; } /* '' */
.icon-info-circled:before { content: '\e80c'; } /* '' */
.icon-retweet:before { content: '\e80d'; } /* '' */
.icon-search:before { content: '\e80e'; } /* '' */
.icon-pin:before { content: '\e80f'; } /* '' */
.icon-heart:before { content: '\e811'; } /* '' */
.icon-cog:before { content: '\e812'; } /* '' */
.icon-rss-feed:before { content: '\e813'; } /* '' */
.icon-bird:before { content: '\f099'; } /* '' */