自制游戏 消消乐 代码 css

*{    padding: 0;    margin: 0;}#app{    border: 1px solid aquamarine;    margin: 250px auto;    position: relative;    width: 495px;    height: 495px;    background: #000000;    overflow:hidden;}#app li{    position: absolute;    text-align: center;    width: 55px;    height: 55px;    line-height: 55px;    list-style: none;    cursor: pointer;}#app li>div {    height: 55px;}.active{    background: aquamarine;    height: 55px;}.active::before{    content: '';    position: absolute;    top:0;    left:0;    background: rgba(255,255,255,0.3);    width: 53px;    height: 53px;    border: 1px solid pink;}.remove{    background: orange;}.none{    display: none;}/*.list-item {*/    /*display: inline-block;*/    /*margin-right: 10px;*//*}*//*.list-enter-active, .list-leave-active {*/    /*transition: all 1s;*//*}*//*.list-enter, .list-leave-active {*/    /*opacity: 0;*/    /*transform: translateY(-55px);*//*}*//*.swap-move {*/    /*transition: transform 0.8s;*//*}*/.list-move-item {    transition:  0.8s;    position: absolute;    transition-property: left,top,transform;}.list-move-enter{    opacity: 0;    transform: translateY(-55px);}.list-move-leave-active {    opacity: 0;}