Form Field Dropdown

Very beautifully you can hide and stretch a selection of subjects for example.

Fronted 

Field Option 

All the normal options are present in this field, to read more about them please continue in this link. 

Specific field Options

• General
  • Reset
    • Add a reset button to let the user reset the status of the Form Element.
  • Multiple Selection
    • Let the user select more than one option.
  • Plus (+)
    • Each time you press the `+` a new element will appear to be filled in the options list.
  • Options Section
    • Value
      • The values used in the Option. This value is sent with the Form.
    • Label
      • The label is what the user sees. 
    • Default
      • The default selected option.
    • Delete
      • Delete one of the options.