.clearfix:after{clear:both;content:".";display:block;font-size:0;height:0;line-height:0;visibility:hidden}

.social {
    float: right;
}

.social a {
    float: left;
    display: block;
    margin-left: 3px;
    width: 18px;
    height: 18px;
    text-indent: -9999em;
}

.social .twitter {
    background: url(http://doc.mail2000.com.tw/social_buttons/twitter.png) 0 0 no-repeat;
}

.social .plurk {
    background: url(http://doc.mail2000.com.tw/social_buttons/plurk.png) 0 0 no-repeat;
}

.social .facebook {
	text-indent:0;
	width:120px;
}

.social .funp {
    background: url(http://doc.mail2000.com.tw/social_buttons/funp.png) 0 0 no-repeat;
}