diff --git a/public/static/ui/gb_ui.css b/public/static/ui/gb_ui.css
index 777b393..099c779 100644
--- a/public/static/ui/gb_ui.css
+++ b/public/static/ui/gb_ui.css
@@ -35,29 +35,35 @@
 
 .gb_hidden_mail {
     display:inline-block;
-    height:10pt;
-    border-radius:4px;
-    background:#666d65;
-    transform: translateY(1px);
-    border: 1px solid #4f534e;
+    background-color: #d6bdbd;
+    padding: 1px 3px;
+    border: 1px solid #a2a6a2;
+    border-radius: 4px;
     box-sizing: border-box;
-    transition: 150ms ease;
-    font-size:7pt;
-    color: #eaeaea;
+    font-size: 7pt;
     text-align: center;
     user-select: none;
     box-shadow: inset 0 1px 2px #fefefe20 1px 2px #30303040;
-    content: '';
-    min-width: 100px;
+    min-width: 75px;
 }
 
 .gb_hidden_mail:hover {
     background: #7e8b7b;
 }
-.gb_hidden_mail:hover::before {
+.gb_hidden_mail::before {
     content: 'Email is hidden';
 }
 
+.gb_no_mail {
+    background-color: #d6bdbd;
+    padding: 1px 3px;
+    border: 1px solid #a2a6a2;
+    border-radius: 4px;
+    box-sizing: border-box;
+    font-size: 7pt;
+    box-shadow: inset 0 1px 2px #fefefe20 1px 2px #30303040;
+}
+
 .gb_entry_message_text {
     margin: 0;
     padding: 10px;
diff --git a/view/guestbook.pug b/view/guestbook.pug
index 042cc69..0d0dde2 100644
--- a/view/guestbook.pug
+++ b/view/guestbook.pug
@@ -98,6 +98,8 @@ block content
                             if (!entry.hidemail)
                                 | Email: 
                                 a(href='mailto:' + entry.email)= entry.email
+                                if (entry.email == '')
+                                    span(class='gb_no_mail') No mail address
                             else
                                 | Email: 
                                 span(class='gb_hidden_mail' style='width:' + (10 * (entry.email || '.').length) + 'px')