Tim Butterfield
Social Icons webfont - Socicon

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

.socicon {
    font-family: 'socicon' !important;
}

<a href="http://twitter.com/_netcodes"><span class="socicon">a</span> @_netcodes</a>

.socicon {
  position: relative;
  top: 1px;
  display: inline-block;
  font-family: 'socicon';
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
}
.socicon:empty{
    width: 1em;
}

.socicon-easid:before { content: "5"; }
.socicon-twitter:before { content: "a"; }
.socicon-facebook:before { content: "b"; }
.socicon-google:before { content: "c"; }
.socicon-pinterest:before { content: "d"; }
.socicon-foursquare:before { content: "e"; }
.socicon-yahoo:before { content: "f"; }
.socicon-skype:before { content: "g"; }
.socicon-yelp:before { content: "h"; }
.socicon-feedburner:before { content: "i"; }
.socicon-linkedin:before { content: "j"; }
.socicon-viadeo:before { content: "k"; }
.socicon-xing:before { content: "l"; }
.socicon-myspace:before { content: "m"; }
.socicon-soundcloud:before { content: "n"; }
.socicon-spotify:before { content: "o"; }
.socicon-grooveshark:before { content: "p"; }
.socicon-lastfm:before { content: "q"; }
.socicon-youtube:before { content: "r"; }
.socicon-vimeo:before { content: "s"; }
.socicon-dailymotion:before { content: "t"; }
.socicon-vine:before { content: "u"; }
.socicon-flickr:before { content: "v"; }
.socicon-500px:before { content: "w"; }
.socicon-instagram:before { content: "x"; }
.socicon-wordpress:before { content: "y"; }
.socicon-tumblr:before { content: "z"; }
.socicon-blogger:before { content: "A"; }
.socicon-technorati:before { content: "B"; }
.socicon-reddit:before { content: "C"; }
.socicon-dribbble:before { content: "D"; }
.socicon-stumbleupon:before { content: "E"; }
.socicon-digg:before { content: "F"; }
.socicon-envato:before { content: "G"; }
.socicon-behance:before { content: "H"; }
.socicon-delicious:before { content: "I"; }
.socicon-deviantart:before { content: "J"; }
.socicon-forrst:before { content: "K"; }
.socicon-play:before { content: "L"; }
.socicon-zerply:before { content: "M"; }
.socicon-wikipedia:before { content: "N"; }
.socicon-apple:before { content: "O"; }
.socicon-flattr:before { content: "P"; }
.socicon-github:before { content: "Q"; }
.socicon-chimein:before { content: "R"; }
.socicon-friendfeed:before { content: "S"; }
.socicon-newsvine:before { content: "T"; }
.socicon-identica:before { content: "U"; }
.socicon-bebo:before { content: "V"; }
.socicon-zynga:before { content: "W"; }
.socicon-steam:before { content: "X"; }
.socicon-xbox:before { content: "Y"; }
.socicon-windows:before { content: "Z"; }
.socicon-outlook:before { content: "1"; }
.socicon-coderwall:before { content: "2"; }
.socicon-tripadvisor:before { content: "3"; }
.socicon-netcodes:before { content: "4"; }
.socicon-lanyrd:before { content: "7"; }
.socicon-slideshare:before { content: "8"; }
.socicon-buffer:before { content: "9"; }
.socicon-rss:before { content: ","; }
.socicon-vkontakte:before { content: ";"; }
.socicon-disqus:before { content: ":"; }