# Option: theme_advanced_containers_default_class

This option should contain the default container/panel class name. This option can only be used when theme is set to advanced and when the theme_advanced_layout_manager option is set to the value of "RowLayout".

### Example of usage of the theme_advanced_containers_default_class option:

    tinyMCE.init({
    	...
    	theme_advanced_containers_default_class : "myPanelClass"
    });