You can use these classes with existing components to create new ones. Remember that you can extend its functionality by adding entries to the $position-values variable.You can use these classes with existing components to create new ones. Remember that you can extend its functionality by adding entries to the $position-values variable.You can use these classes with existing components to create new ones. Remember that you can extend its functionality by adding entries to the $position-values variable.You can use these classes with existing components to create new ones. Remember that you can extend its functionality by adding entries to the $position-values variable.