diff --git a/tests/UI/CustomAlerts_spec.js b/tests/UI/CustomAlerts_spec.js
index 72eca20..bc5c2bb 100644
--- a/tests/UI/CustomAlerts_spec.js
+++ b/tests/UI/CustomAlerts_spec.js
@@ -58,6 +58,9 @@
     const selector = '.page';
     await captureScreen('slack_report_disabled', async () => {
       await page.evaluate(() => $('.report-mediums .select-wrapper ul li:contains("Slack")').click());
+      // the click leaves the pointer over the select, and the restyled control paints a
+      // :hover border; move it away so the capture is not taken mid-hover
+      await page.mouse.move(0, 0);
     }, selector);
   });
 
diff --git a/tests/UI/Slack_spec.js b/tests/UI/Slack_spec.js
index b4391b7..e341965 100644
--- a/tests/UI/Slack_spec.js
+++ b/tests/UI/Slack_spec.js
@@ -37,6 +37,9 @@
       const reportTypeField = $('#addEditReport select[name="report_type"]').closest('.matomo-form-field');
       reportTypeField.find('ul li:last').click();
     });
+    // the click leaves the pointer over the select, and the restyled control paints a
+    // :hover border; move it away so the capture is not taken mid-hover
+    await page.mouse.move(0, 0);
   }
 
   it('should load the schedule report as empty', async function () {
diff --git a/tests/UI/expected-ui-screenshots/CustomAlerts_new_custom_alert.png b/tests/UI/expected-ui-screenshots/CustomAlerts_new_custom_alert.png
index 6d79897..293969c 100644
Binary files a/tests/UI/expected-ui-screenshots/CustomAlerts_new_custom_alert.png and b/tests/UI/expected-ui-screenshots/CustomAlerts_new_custom_alert.png differ
diff --git a/tests/UI/expected-ui-screenshots/CustomAlerts_send_via_slack_new.png b/tests/UI/expected-ui-screenshots/CustomAlerts_send_via_slack_new.png
index 37ab021..bb1f081 100644
Binary files a/tests/UI/expected-ui-screenshots/CustomAlerts_send_via_slack_new.png and b/tests/UI/expected-ui-screenshots/CustomAlerts_send_via_slack_new.png differ
diff --git a/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_disabled.png b/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_disabled.png
index 5bd1dd5..6990116 100644
Binary files a/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_disabled.png and b/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_disabled.png differ
diff --git a/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_enabled.png b/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_enabled.png
index 40b2d78..45926e7 100644
Binary files a/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_enabled.png and b/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_enabled.png differ
diff --git a/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_error.png b/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_error.png
index 47b0390..6f69984 100644
Binary files a/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_error.png and b/tests/UI/expected-ui-screenshots/CustomAlerts_slack_report_error.png differ
diff --git a/tests/UI/expected-ui-screenshots/Slack_new_scheduled_reports.png b/tests/UI/expected-ui-screenshots/Slack_new_scheduled_reports.png
index e75f040..7ba715d 100644
Binary files a/tests/UI/expected-ui-screenshots/Slack_new_scheduled_reports.png and b/tests/UI/expected-ui-screenshots/Slack_new_scheduled_reports.png differ
diff --git a/tests/UI/expected-ui-screenshots/Slack_send_via_slack.png b/tests/UI/expected-ui-screenshots/Slack_send_via_slack.png
index 90cd3b8..1817cb6 100644
Binary files a/tests/UI/expected-ui-screenshots/Slack_send_via_slack.png and b/tests/UI/expected-ui-screenshots/Slack_send_via_slack.png differ
diff --git a/tests/UI/expected-ui-screenshots/Slack_send_via_slack_new.png b/tests/UI/expected-ui-screenshots/Slack_send_via_slack_new.png
index 9a32fff..3ed0962 100644
Binary files a/tests/UI/expected-ui-screenshots/Slack_send_via_slack_new.png and b/tests/UI/expected-ui-screenshots/Slack_send_via_slack_new.png differ
diff --git a/tests/UI/expected-ui-screenshots/Slack_slack_report_disabled.png b/tests/UI/expected-ui-screenshots/Slack_slack_report_disabled.png
index 90cd3b8..1817cb6 100644
Binary files a/tests/UI/expected-ui-screenshots/Slack_slack_report_disabled.png and b/tests/UI/expected-ui-screenshots/Slack_slack_report_disabled.png differ
diff --git a/tests/UI/expected-ui-screenshots/Slack_slack_report_enabled.png b/tests/UI/expected-ui-screenshots/Slack_slack_report_enabled.png
index 1bbbd2c..a7456ae 100644
Binary files a/tests/UI/expected-ui-screenshots/Slack_slack_report_enabled.png and b/tests/UI/expected-ui-screenshots/Slack_slack_report_enabled.png differ
diff --git a/tests/UI/expected-ui-screenshots/Slack_slack_report_error.png b/tests/UI/expected-ui-screenshots/Slack_slack_report_error.png
index 245d22d..5cfd954 100644
Binary files a/tests/UI/expected-ui-screenshots/Slack_slack_report_error.png and b/tests/UI/expected-ui-screenshots/Slack_slack_report_error.png differ
diff --git a/tests/UI/expected-ui-screenshots/Slack_slack_report_pdf_view.png b/tests/UI/expected-ui-screenshots/Slack_slack_report_pdf_view.png
index 40e83d5..9f86bcf 100644
Binary files a/tests/UI/expected-ui-screenshots/Slack_slack_report_pdf_view.png and b/tests/UI/expected-ui-screenshots/Slack_slack_report_pdf_view.png differ