diff --git a/app/components/dossiers/batch_operation_inline_buttons_component/batch_operation_inline_buttons_component.html.haml b/app/components/dossiers/batch_operation_inline_buttons_component/batch_operation_inline_buttons_component.html.haml
index 1f4be9f4a..be2e84e15 100644
--- a/app/components/dossiers/batch_operation_inline_buttons_component/batch_operation_inline_buttons_component.html.haml
+++ b/app/components/dossiers/batch_operation_inline_buttons_component/batch_operation_inline_buttons_component.html.haml
@@ -15,7 +15,7 @@
                   %h4= opt[:label]
 
               .motivation.accept
-                = form.text_area :motivation, class: 'motivation-text-area'
+                = form.text_area :motivation, class: 'fr-input'
                 #justificatif_motivation_suggest_accept.optional-justificatif
                   %button.button{ type: 'button', onclick: "DS.showImportJustificatif('accept');" } Ajouter un justificatif (optionnel)
                 #justificatif_motivation_import_accept.hidden
diff --git a/app/views/instructeurs/dossiers/_instruction_button_motivation.html.haml b/app/views/instructeurs/dossiers/_instruction_button_motivation.html.haml
index 397c92710..d241281a5 100644
--- a/app/views/instructeurs/dossiers/_instruction_button_motivation.html.haml
+++ b/app/views/instructeurs/dossiers/_instruction_button_motivation.html.haml
@@ -1,7 +1,7 @@
 .motivation.hidden{ class: popup_class }
-  = form_tag(terminer_instructeur_dossier_path(dossier.procedure, dossier), data: { turbo: true, turbo_confirm: confirm }, method: :post, multipart: true, class: 'form') do
+  = form_tag(terminer_instructeur_dossier_path(dossier.procedure, dossier), data: { turbo: true, turbo_confirm: confirm }, method: :post, multipart: true) do
     - if title == 'Accepter'
-      = text_area :dossier, :motivation, class: 'motivation-text-area', placeholder: placeholder, required: false
+      = text_area :dossier, :motivation, class: 'fr-input', placeholder: placeholder, required: false
       - if dossier.attestation_template&.activated?
         %p.help
           L’acceptation du dossier envoie automatiquement
@@ -26,11 +26,11 @@
               - unspecified_annotations_privees.each do |unspecified_annotations_privee|
                 %li= unspecified_annotations_privee.libelle
     - else
-      = text_area :dossier, :motivation, class: 'motivation-text-area', placeholder: placeholder, required: true
+      = text_area :dossier, :motivation, class: 'fr-input', placeholder: placeholder, required: true
     .optional-justificatif{ id: "justificatif_motivation_suggest_#{popup_class}", onclick: "DS.showImportJustificatif('#{popup_class}');" }
-      .button Ajouter un justificatif (optionnel)
+      .fr-btn.fr-btn--tertiary-no-outline.fr-btn--icon-left.fr-icon-attachment-line.fr-ml-0 Ajouter un justificatif (optionnel)
     .hidden{ id: "justificatif_motivation_import_#{popup_class}" }
       = file_field :dossier, :justificatif_motivation, direct_upload: true
-    .text-right
-      %span.button{ onclick: 'DS.motivationCancel();' } Annuler
-      = button_tag 'Valider la décision', name: :process_action, value: process_action, class: 'button primary', title: title
+    .text-right.fr-mt-2w
+      %span.fr-btn.fr-btn--secondary{ onclick: 'DS.motivationCancel();' } Annuler
+      = button_tag 'Valider la décision', name: :process_action, value: process_action, class: 'fr-btn fr-mr-0', title: title