.bjh-user-lesson .breadcrumb-wrapper[data-v-6bf52d54],.bjh-user-lesson .function-box[data-v-6bf52d54]{margin-bottom:16px}.bjh-user-lesson .demonstration[data-v-6bf52d54]{margin-right:10px}.table-bottom[data-v-6bf52d54]{margin-top:16px}