.keyboard{-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.keyboard table{border-spacing:10px;border-collapse:separate;background-color:#F1F1F1}.keyboard table td{touch-action:none}.keyboard .button{background-color:#fff;box-shadow:0 1px 3px rgba(0,0,0,0.12),0 1px 2px rgba(0,0,0,0.24);/*width:60px;height:40px;*/width: 10vh;height: 5vh;text-align:center;font-family:"arial";cursor:pointer;color:#000;font-size:22px}.keyboard .button:hover{background-color:#fafafa}.keyboard .button:active{background-color:#999;color:#fff}.keyboard .margin{width:40px;height:50px}