diff --git a/boards/static/css/md/base_page.css b/boards/static/css/md/base_page.css
--- a/boards/static/css/md/base_page.css
+++ b/boards/static/css/md/base_page.css
@@ -132,6 +132,14 @@ p {
 .form-errors {
     font-weight: bolder;
     vertical-align: middle;
+    padding: 3px;
+    background: repeating-linear-gradient(
+        -45deg,
+        #330,
+        #330 10px,
+        #111 10px,
+        #111 20px
+    );
 }
 
 .post-form input:not([name="image"]), .post-form textarea {