.bjh-user-lesson .breadcrumb-wrapper[data-v-2b10bbef],.bjh-user-lesson .function-box[data-v-2b10bbef]{margin-bottom:16px}.bjh-user-lesson .demonstration[data-v-2b10bbef]{margin-right:10px}.table-bottom[data-v-2b10bbef]{margin-top:16px}