We have provided a useful shortcut in Daylite > Preferences > General window which can enable this feature (this is for users that would prefer to close the card view using the [return] key as opposed to clicking on the 'ok' prompt with the mouse cursor).

• To access the preferences window, select the following from the Daylite menu bar:

Daylite -> Preferences -> General

• Place a check in the "OK button default in Create/Edit cards" box (this is located under the 'Shortcuts' heading)
  

• Close the preferences window

• Confirm that changes have been made by clicking on the 'OK' prompt

When opening a create or edit card window, you should notice that the 'OK' prompt is flashing denoting that the shortcut is now active.