Fix Campaign navigation action markup

webui/src/features/campaigns/CampaignOverviewPage.tsx

@@ -171,7 +171,7 @@ export default function CampaignOverviewPage({ settings, campaignId }: {settings
         <Card
           title="i18n:govoplan-campaign.campaign_identity.a00ca574"
           collapsible
-          actions={<Link to="wizard/create"><Button>i18n:govoplan-campaign.edit_with_wizard.672a7d1a</Button></Link>}>
+          actions={<Link className="btn btn-secondary" to="wizard/create">i18n:govoplan-campaign.edit_with_wizard.672a7d1a</Link>}>
           <div className="form-grid campaign-identity-grid">
             <FormField label="i18n:govoplan-campaign.campaign_id.4c4ed79e">
               <input value={identity.external_id} onChange={(event) => patchIdentity("external_id", event.target.value)} />

webui/src/features/campaigns/wizard/CreateWizard.tsx

@@ -98,7 +98,7 @@ export default function CreateWizard({ settings, campaignId }: {settings: ApiSet
                 message="i18n:govoplan-campaign.this_wizard_is_read_only_for_the_selected_versio.b0865947" />
               
               <div className="button-row">
-                <Link to="../.."><Button>i18n:govoplan-campaign.back_to_overview.ec986cba</Button></Link>
+                <Link className="btn btn-secondary" to="../..">i18n:govoplan-campaign.back_to_overview.ec986cba</Link>
               </div>
             </Card>
           </div>
@@ -140,4 +140,4 @@ export default function CreateWizard({ settings, campaignId }: {settings: ApiSet
       </div>
     </div>);
 
-}
+}