.table-operator{margin-bottom:18px}button{margin-right:8px}.fenjian{margin-bottom:20px}.fenjian button{margin-right:105px}button.kbtn{width:100px;height:100px;cursor:pointer}#kbtn span,button.kbtn{font-size:24px}#kbtn{width:150px;height:150px;margin-right:10px;margin-top:10px}.mouldFont{font-size:12px}