#social{position:fixed;left:0;top:25%;width:110px;height:400px;z-index:999}#social .social_item:hover{background-repeat:no-repeat;background-position:0 top;transition-duration:.6s;opacity:1}#social .social_item a{width:110px;height:77px;background-image:url(../img/social/fb_full.png);background-repeat:no-repeat;background-position:-50px top;transition-duration:.6s;opacity:.5;display:block;text-decoration:none}#social .social_item a:hover{width:110px;height:77px;background-repeat:no-repeat;background-position:0 top;transition-duration:.6s;opacity:1}#social .gp a{background-image:url(../img/social/gp_full.png)}#social .vk a{background-image:url(../img/social/vk_full.png)}#social .pi a{background-image:url(../img/social/pi_full.png)}#social .tw a{background-image:url(../img/social/tw_full.png)}