diff --git a/app/javascript/styles/mastodon/forms.scss b/app/javascript/styles/mastodon/forms.scss
index 8c4c934ea4..46ef857749 100644
--- a/app/javascript/styles/mastodon/forms.scss
+++ b/app/javascript/styles/mastodon/forms.scss
@@ -330,9 +330,12 @@ code {
     }
 
     input[type=text],
+    input[type=number],
     input[type=email],
-    input[type=password] {
-      border-bottom-color: $valid-value-color;
+    input[type=password],
+    textarea,
+    select {
+      border-color: lighten($error-red, 12%);
     }
 
     .error {
diff --git a/app/views/shared/_error_messages.html.haml b/app/views/shared/_error_messages.html.haml
index b73890216f..28becd6c44 100644
--- a/app/views/shared/_error_messages.html.haml
+++ b/app/views/shared/_error_messages.html.haml
@@ -1,3 +1,3 @@
 - if object.errors.any?
-  .flash-message#error_explanation
+  .flash-message.alert#error_explanation
     %strong= t('generic.validation_errors', count: object.errors.count)