.yk-school-course-manage .yk-wrap-fixed-menu{width:200px;float:left;height:100%}.yk-school-course-manage .yk-wrap-fixed-menu .yk-wrap-fixed-menu-child{margin-top:20px}.yk-school-course-manage .yk-wrap-fixed-menu .yk-wrap-fixed-menu-child a{display:block;padding-left:40px;text-decoration:none;font-size:14px;height:40px;width:100%;line-height:40px}.yk-school-course-manage .yk-wrap-fixed-content{float:left;width:calc(100% - 220px);height:100%;overflow:auto}.yk-school-course-manage .linkActive{background-color:#3fa2ff}