.btn_sub{width:100px;height:34px;color:#fff;letter-spacing:1px;background:#3385ff;border-bottom:1px solid #2d78f4;outline:medium;-webkit-appearance:none;-webkit-border-radius:0;}.btn_sub:hover{background:#1f72ed;border-bottom:1px solid #2868c8;box-shadow:1px 1px 1px #ccc;}