.SocialSharingButtons                        { text-align:center; }
.SocialSharingButtons .share-btn             { display:inline-block; width:4em; border:none; padding:0.5em; color:#FFF; box-shadow:0 2px 0 0 rgba(0,0,0,0.2); outline: none; text-align:center; }
.SocialSharingButtons .share-btn:hover       { color: #EEE; }
.SocialSharingButtons .share-btn:active      { position:relative; top:2px; box-shadow:none; color:#E2E2E2; outline:none; }
.SocialSharingButtons .share-btn.twitter     { background:#55ACEE; }
.SocialSharingButtons .share-btn.facebook    { background:#3B5998; }
.SocialSharingButtons .share-btn.google-plus { background:#DD4B39; }
.SocialSharingButtons .share-btn.stumbleupon { background:#EB4823; }
.SocialSharingButtons .share-btn.linkedin    { background:#4875B4; }