CSS - Ícones Font Awesome das redes sociais

/*Change icons circle size and color here*/
.social-icons .fa {
 width: 50px;
 height: 50px;
 line-height: 50px;
 text-align: center;
 color: #FFF;
 color: rgba(255, 255, 255, 0.8);
 -webkit-transition: all 0.3s ease-in-out;
 -moz-transition: all 0.3s ease-in-out;
 -ms-transition: all 0.3s ease-in-out;
 -o-transition: all 0.3s ease-in-out;
 transition: all 0.3s ease-in-out;
}

.social-icons.icon-circle .fa{
 border-radius: 50%;
}
.social-icons.icon-rounded .fa{
 border-radius:5px;
}
.social-icons.icon-flat .fa{
 border-radius: 0;
}
.social-icons .fa-adn{background-color:#504e54;}
.social-icons .fa-apple{background-color:#aeb5c5;}
.social-icons .fa-android{background-color:#A5C63B;}
.social-icons .fa-bitbucket,.social-icons .fa-bitbucket-square{background-color:#003366;}
.social-icons .fa-bitcoin,.social-icons .fa-btc{background-color:#F7931A;}
.social-icons .fa-css3{background-color:#1572B7;}
.social-icons .fa-dribbble{background-color:#F46899;}
.social-icons .fa-dropbox{background-color:#018BD3;}
.social-icons .fa-facebook,.social-icons .fa-facebook-square{background-color:#3C599F;}
.social-icons .fa-flickr{background-color:#FF0084;}
.social-icons .fa-foursquare{background-color:#0086BE;}
.social-icons .fa-github,.social-icons .fa-github-alt,.social-icons .fa-github-square{background-color:#070709;}
.social-icons .fa-google-plus,.social-icons .fa-google-plus-square{background-color:#CF3D2E;}
.social-icons .fa-html5{background-color:#E54D26;}
.social-icons .fa-instagram{background-color:#A1755C;}
.social-icons .fa-linkedin,.social-icons .fa-linkedin-square{background-color:#0085AE;}
.social-icons .fa-linux{background-color:#FBC002;color:#333;}
.social-icons .fa-maxcdn{background-color:#F6AE1C;}
.social-icons .fa-pagelines{background-color:#241E20;color:#3984EA;}
.social-icons .fa-pinterest,.social-icons .fa-pinterest-square{background-color:#CC2127;}
.social-icons .fa-renren{background-color:#025DAC;}
.social-icons .fa-skype{background-color:#01AEF2;}
.social-icons .fa-stack-exchange{background-color:#245590;}
.social-icons .fa-stack-overflow{background-color:#FF7300;}
.social-icons .fa-trello{background-color:#265A7F;}
.social-icons .fa-tumblr,.social-icons .fa-tumblr-square{background-color:#314E6C;}
.social-icons .fa-twitter,.social-icons .fa-twitter-square{background-color:#32CCFE;}
.social-icons .fa-vimeo-square{background-color:#229ACC;}
.social-icons .fa-vk{background-color:#375474;}
.social-icons .fa-weibo{background-color:#D72B2B;}
.social-icons .fa-windows{background-color:#12B6F3;}
.social-icons .fa-xing,.social-icons .fa-xing-square{background-color:#00555C;}
.social-icons .fa-youtube,.social-icons .fa-youtube-play,.social-icons .fa-youtube-square{background-color:#C52F30;}