.courseWareBox{width:100%;height:100%;display:flex;justify-content:space-between}.courseWareBox .menuBox{height:100%;overflow-y:auto}.courseWareBox .menuBox ul{height:100%}.courseWareBox p{width:100%;text-align:center;margin:20px}.courseWareBox .delete-menu-icon{font-size:0}.courseWareBox .menu-chapter:hover{color:#108ee9}.courseWareBox .menu-chapter:hover .delete-menu-icon{cursor:pointer;font-size:14px}.courseWareBox .videoBox{height:100%;flex:1;padding:0 10px}.courseWareBox .videoBox video{width:100%;height:100%}