Ghost/ghost/admin/app/styles/modules/icons.scss

// ------------------------------------------------------------
// Icons
// ------------------------------------------------------------


//
// Font-face rule
// --------------------------------------------------

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

}

[data-icon]:before {
  font-family: "ghosticons" !important;
  content: attr(data-icon);
  font-style: normal !important;
  font-weight: normal !important;
  font-variant: normal !important;
  text-transform: none !important;
  speak: none;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

[class^="icon-"]:before,
[class*=" icon-"]:before {
  font-family: "ghosticons" !important;
  font-style: normal !important;
  font-weight: normal !important;
  font-variant: normal !important;
  text-transform: none !important;
  speak: none;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-user:before {
  content: "\e000";
}
.icon-search:before {
  content: "\e001";
}
.icon-design:before {
  content: "\e003";
}
.icon-content:before {
  content: "\e004";
}
.icon-x:before {
  content: "\e005";
}
.icon-add:before {
  content: "\e006";
}
.icon-apps:before {
  content: "\e007";
}
.icon-settings:before {
  content: "\e008";
}
.icon-front-end:before {
  content: "\e00a";
}
.icon-dash:before {
  content: "\e00b";
}
.icon-tag:before {
  content: "\e009";
}
.icon-compass:before {
  content: "\e002";
}
.icon-code:before {
  content: "\e00c";
}
.icon-team:before {
  content: "\e00d";
}
.icon-idea:before {
  content: "\e00e";
}
.icon-arrow:before {
  content: "\e00f";
}
.icon-pen:before {
  content: "\e010";
}
.icon-clip:before {
  content: "\e011";
}
.icon-trash:before {
  content: "\e012";
}
.icon-edit:before {
  content: "\e013";
}
.icon-new:before {
  content: "\e014";
}
.icon-lock-2:before {
  content: "\e015";
}
.icon-link:before {
  content: "\e016";
}
.icon-chat:before {
  content: "\e017";
}
.icon-smiley:before {
  content: "\e018";
}
.icon-star:before {
  content: "\e019";
}
.icon-rss:before {
  content: "\e01b";
}
.icon-hotspot:before {
  content: "\e01d";
}
.icon-mail:before {
  content: "\e01e";
}
.icon-sound-on:before {
  content: "\e01f";
}
.icon-sound-off:before {
  content: "\e020";
}
.icon-download:before {
  content: "\e021";
}
.icon-upload:before {
  content: "\e022";
}
.icon-bell:before {
  content: "\e023";
}
.icon-shop:before {
  content: "\e01c";
}
.icon-box:before {
  content: "\e024";
}
.icon-connections:before {
  content: "\e025";
}
.icon-arrow-right:before {
  content: "\e01a";
}
.icon-arrow-left:before {
  content: "\e026";
}
.icon-arrow-up:before {
  content: "\e027";
}
.icon-ghost:before {
  content: "\e028";
}
.icon-dice:before {
  content: "\e029";
}
.icon-ambulance:before {
  content: "\e02a";
}
.icon-calendar:before {
  content: "\e02b";
}
.icon-folder:before {
  content: "\e02c";
}
.icon-pulse:before {
  content: "\e02d";
}
.icon-photos:before {
  content: "\e02e";
}
.icon-legal:before {
  content: "\e02f";
}
.icon-letter:before {
  content: "\e030";
}
.icon-grid:before {
  content: "\e031";
}
.icon-list:before {
  content: "\e032";
}
.icon-blog:before {
  content: "\e033";
}
.icon-question:before {
  content: "\e034";
}
.icon-error:before {
  content: "\e035";
}
.icon-power:before {
  content: "\e036";
}
.icon-markdown:before {
  content: "\e037";
}