.jcalculator_wrap{position:relative}.jcalculator{background:#232323;width:200px;display:none;position:absolute;top:82px;right:0;font-family:Helvetica,Arial,Verdana,sans-serif;border-top:1px solid #000;border-left:1px solid #000}.jcalculator span{cursor:pointer;color:#fff;float:left;display:block;width:50px;height:50px;line-height:50px;font-size:12px;box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;border-right:1px solid #000;border-bottom:1px solid #000}.jcalculator span:active{line-height:52px}.jcalculator .operation{background:#191919}.jcalculator .operation.equal{background:#eb0934}