[IMP] *: fix display issues

- Several content blocks were either misaligned, using the wrong display directive or not showing at all.
- Some images were missings.
- Typos

accounting/receivables/customer_invoices/overview.rst

@@ -79,11 +79,8 @@ salesperson will trigger invoice based on activities on the contract.
 Activities can be:
 
 -  fixed products/services, coming from a sale order linked to this contract
-
--  materials purchased (that you will re-invoiced)
-
+-  materials purchased (that you will re-invoice)
 -  time and material based on timesheets or purchases (subcontracting)
-
 -  expenses like travel and accommodation that you re-invoice to the customer
 
 You can invoice at the end of the contract or trigger intermediate

accounting/receivables/customer_payments/batch_sdd.rst

@@ -12,7 +12,7 @@ files containing pending payments made with an SDD mandate.
 
 .. note::
    | SDD is supported by all SEPA countries, which includes the 28 member states of the European Union as well as additional countries. 
-   | `List of all SEPA countries. <https://www.europeanpaymentscouncil.eu/document-library/other/epc-list-sepa-scheme-countries>`_
+   | `List of all SEPA countries <https://www.europeanpaymentscouncil.eu/document-library/other/epc-list-sepa-scheme-countries>`_.
 
 Configuration
 =============
@@ -120,7 +120,7 @@ Finally, upload this file to your bank to process the payments.
 .. seealso::
    * :doc:`../../bank/setup/create_bank_account`
    * `Odoo Academy: SEPA Direct Debit Mandates (SDD) <https://www.odoo.com/r/Zxs>`_
-   * `List of all SEPA countries. <https://www.europeanpaymentscouncil.eu/document-library/other/epc-list-sepa-scheme-countries>`_
+   * `List of all SEPA countries <https://www.europeanpaymentscouncil.eu/document-library/other/epc-list-sepa-scheme-countries>`_.