Article: In June 1990, The Times ceased its policy of using courtesy titles ("Mr", "Mrs", or "Miss" prefixes) for living persons before full names on first reference, but it continues to use them before surnames on subsequent references. The more formal style is now confined to the "Court and Social" page, though "Ms" is now acceptable in that section, as well as before surnames in news sections.

Now answer this question: What kind of style is now confined to the "Court and Social" page of The Times when referring to the use of courtesy titles?
formal style