.cell{width:68px;height:68px;border:1px solid #000;text-align:center;line-height:50px;font-size:50px;cursor:pointer}.wrapper{flex-direction:column;align-items:center;justify-content:center}.row,.wrapper{display:flex}.row>div{margin-left:-1px;margin-bottom:-1px}.result{margin-top:10px}