Font size for article fragment heading should be fixed

[ujjwal5]

https://main--macquarie-help-centre--hlxsites.hlx.live/help/personal/bank-accounts/manage-account/how-medicare-payments-are-refunded, https://main--macquarie-help-centre--hlxsites.hlx.live/help/personal/cards-balances-and-limits/account-card-and-atm-limits/atm-withdrawal-limits, https://main--macquarie-help-centre--hlxsites.hlx.live/help/personal/cards-balances-and-limits/accou[…]-the-difference-between-balance-and-available, https://main--macquarie-help-centre--hlxsites.hlx.live/help/personal/credit-cards/manage-credit-card[…]ty-for-online-purchases-made-with-credit-card, https://main--macquarie-help-centre--hlxsites.hlx.live/help/personal/credit-cards/manage-credit-card/update-from-chubb-travel-insurance, https://main--macquarie-help-centre--hlxsites.hlx.live/help/personal/credit-cards/credit-card-reward[…]eck-your-credit-card-rewards-or-qantas-points

[asthabh23]

Fixed as part of import, will be in place when next import for articles happen

[asthabh23]

In import, made the heading for rating section h2, handling for the same in css