etherpad-lite/src/static/css/pad/icons.css

@font-face {
  font-family: "fontawesome-etherpad";
  src:url("../../../static/font/fontawesome-etherpad.eot?2");
  src:url("../../../static/font/fontawesome-etherpad.eot?2#iefix") format("embedded-opentype"),
    url("../../../static/font/fontawesome-etherpad.woff?2") format("woff"),
    url("../../../static/font/fontawesome-etherpad.ttf?2") format("truetype"),
    url("../../../static/font/fontawesome-etherpad.svg#fontawesome-etherpad") format("svg");
  font-weight: normal;
  font-style: normal;

}

.buttonicon{
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: middle;
  border: none;
  padding: 0;
  background: none;
  font-family: "fontawesome-etherpad";
  font-size: 15px;
  text-align: center;
  font-style: normal;
  font-weight: normal;
  color: #666;
  cursor: pointer;

  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  display: inline-block;
  font-style: normal;
  font-variant: normal;
  text-rendering: auto;
}

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

  display: inline-block;
  text-decoration: inherit;
  width: 1em;
  margin-right: .2em;
  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;
}


.buttonicon-strikethrough:before {
  content: "\e818";
}
.buttonicon-insertorderedlist:before {
  content: "\e816";
}
.buttonicon-insertunorderedlist:before {
  content: "\e815";
}
.buttonicon-indent:before {
  content: "\e814";
}
.buttonicon-outdent:before {
  content: "\e813";
}
.buttonicon-undo:before {
  content: "\e823";
}
.buttonicon-redo:before {
  content: "\e824";
}
.buttonicon-clearauthorship:before {
  content: "\e80d";
}
.buttonicon-settings:before {
  content: "\e833";
}
.buttonicon-import_export:before {
  content: "\e834";
}
.buttonicon-embed:before {
  content: "\e827";
}
.buttonicon-history:before {
  content: "\e837";
}
.buttonicon-chat:before {
  content: "\e829";
}
.buttonicon-showusers:before {
  content: "\e808";
}
.buttonicon-savedRevision:before {
  content: "\e835";
}


.buttonicon-align-left:before { content: '\e800'; } /* '' */
.buttonicon-print:before { content: '\e801'; } /* '' */
.buttonicon-doc:before { content: '\e802'; } /* '' */
.buttonicon-file-pdf:before { content: '\e803'; } /* '' */
.buttonicon-file-word:before { content: '\e804'; } /* '' */
.buttonicon-file-excel:before { content: '\e805'; } /* '' */
.buttonicon-file-powerpoint:before { content: '\e806'; } /* '' */
.buttonicon-file-image:before { content: '\e807'; } /* '' */
.buttonicon-users:before { content: '\e808'; } /* '' */
.buttonicon-user:before { content: '\e809'; } /* '' */
.buttonicon-mail:before { content: '\e80a'; } /* '' */
.buttonicon-videocam:before { content: '\e80b'; } /* '' */
.buttonicon-picture:before { content: '\e80c'; } /* '' */
.buttonicon-eye-off:before { content: '\e80d'; } /* '' */
.buttonicon-align-center:before { content: '\e80f'; } /* '' */
.buttonicon-align-right:before { content: '\e810'; } /* '' */
.buttonicon-align-justify:before { content: '\e811'; } /* '' */
.buttonicon-list:before { content: '\e812'; } /* '' */
.buttonicon-indent-left:before { content: '\e813'; } /* '' */
.buttonicon-indent-right:before { content: '\e814'; } /* '' */
.buttonicon-list-bullet:before { content: '\e815'; } /* '' */
.buttonicon-list-numbered:before { content: '\e816'; } /* '' */
.buttonicon-underline:before { content: '\e817'; } /* '' */
.buttonicon-strike:before { content: '\e818'; } /* '' */
.buttonicon-superscript:before { content: '\e819'; } /* '' */
.buttonicon-subscript:before { content: '\e81a'; } /* '' */
.buttonicon-font:before { content: '\e81b'; } /* '' */
.buttonicon-bold:before { content: '\e81c'; } /* '' */
.buttonicon-italic:before { content: '\e81d'; } /* '' */
.buttonicon-header:before { content: '\e81e'; } /* '' */
.buttonicon-text-height:before { content: '\e81f'; } /* '' */
.buttonicon-text-width:before { content: '\e820'; } /* '' */
.buttonicon-to-start:before { content: '\e821'; } /* '' */
.buttonicon-to-end:before { content: '\e822'; } /* '' */
.buttonicon-ccw:before { content: '\e823'; } /* '' */
.buttonicon-cw:before { content: '\e824'; } /* '' */
.buttonicon-arrows-cw:before { content: '\e825'; } /* '' */
.buttonicon-file-code:before { content: '\e826'; } /* '' */
.buttonicon-code:before { content: '\e827'; } /* '' */
.buttonicon-chat:before { content: '\e828'; } /* '' */
.buttonicon-comment-empty:before { content: '\e829'; } /* '' */
.buttonicon-trash-empty:before { content: '\e82a'; } /* '' */
.buttonicon-mic:before { content: '\e82b'; } /* '' */
.buttonicon-play:before { content: '\e82c'; } /* '' */
.buttonicon-stop:before { content: '\e82d'; } /* '' */
.buttonicon-pause:before { content: '\e82e'; } /* '' */
.buttonicon-gauge:before { content: '\e82f'; } /* '' */
.buttonicon-brush:before { content: '\e830'; } /* '' */
.buttonicon-slideshare:before { content: '\e831'; } /* '' */
.buttonicon-tasks:before { content: '\e832'; } /* '' */
.buttonicon-cog:before { content: '\e833'; } /* '' */
.buttonicon-exchange:before { content: '\e834'; } /* '' */
.buttonicon-star-empty:before { content: '\e835'; } /* '' */
.buttonicon-star:before { content: '\e836'; } /* '' */
.buttonicon-clock:before { content: '\e837'; } /* '' */
.buttonicon-comment:before { content: '\e838'; } /* '' */
.buttonicon-pencil:before { content: '\e839'; } /* '' */
.buttonicon-link:before { content: '\e83a'; } /* '' */
.buttonicon-video:before { content: '\e83b'; } /* '' */
.buttonicon-video-slash:before { content: '\e83c'; } /* '' */
.buttonicon-microphone-alt:before { content: '\e83d'; } /* '' */
.buttonicon-microphone-alt-slash:before { content: '\e83e'; } /* '' */
.buttonicon-compress:before { content: '\e83f'; } /* '' */
.buttonicon-expand:before { content: '\e840'; } /* '' */
.buttonicon-spin5:before { content: '\e841'; } /* '' */
.buttonicon-cancel:before { content: '\e842'; } /* '' */
.buttonicon-table:before { content: '\f0ce'; } /* '' */

.icon-spin {
  -webkit-animation: spinAnimation 2s infinite linear;
  animation: spinAnimation 2s infinite linear;
  font-family: "fontawesome-etherpad";
  font-size:22px;
  z-index:150;
  width:22px;
  height:22px;
}

@-webkit-keyframes spinAnimation {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(359deg);
    transform: rotate(359deg);
  }
}
@keyframes spinAnimation {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(359deg);
    transform: rotate(359deg);
  }
}