.class-box ul[data-v-6b3fd3a2]{max-height:360px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-flow:row wrap;flex-flow:row wrap;overflow-y:auto}.class-box ul li[data-v-6b3fd3a2]{height:32px;line-height:32px;width:30%;margin-right:3%;text-align:center;margin-bottom:12px;border-radius:3px;cursor:pointer;background-color:#e9e9e9;color:#333;position:relative}.class-box ul li[data-v-6b3fd3a2]:hover{background-color:#c1e0fd}.class-box ul li.checked[data-v-6b3fd3a2]{background-color:#1890ff;color:#fff}.class-box ul li i[data-v-6b3fd3a2]{position:absolute;top:2px;right:2px}