diff --git a/freepost/__init__.py b/freepost/__init__.py
index 29c4da0..7995288 100644
--- a/freepost/__init__.py
+++ b/freepost/__init__.py
@@ -235,6 +235,8 @@ def register_new_account ():
     Check form for creating new account.
     """
 
+    abort()
+
     username = request.forms.getunicode ('username')
     password = request.forms.getunicode ('password')
 
diff --git a/freepost/static/css/freepost.css b/freepost/static/css/freepost.css
index d5b641b..a7a00bb 100644
--- a/freepost/static/css/freepost.css
+++ b/freepost/static/css/freepost.css
@@ -9,8 +9,10 @@
 }
 
 a, a:hover, a:visited {
+    /*
     background:          transparent;
     color:               #337ab7;
+    */
     text-decoration:     none;
 }
 
@@ -203,6 +205,12 @@ html, body {
     width:               100%;
 }
 
+@media (prefers-color-scheme: dark) {
+    html, body {
+        background-color: #000;
+    }
+}
+
 pre {
     background-color:    #efefef;
     font-family:         "Courier 10 Pitch", Courier, monospace;
@@ -300,6 +308,14 @@ ul, ol {
         width:            36px;
     }
 
+    @media (prefers-color-scheme: dark) {
+        .burger-icon > .line1,
+        .burger-icon > .line2,
+        .burger-icon > .line3 {
+            background-color: #fff;
+        }
+    }
+
     .burger-icon.open > .line1 {
         transform: rotate(-45deg) translate(-0px, 11px);
     }
@@ -379,6 +395,14 @@ a.logo:visited {
     text-decoration: none;
 }
 
+@media (prefers-color-scheme: dark) {
+    a.logo,
+    a.logo:hover,
+    a.logo:visited {
+        color: #fff;
+    }
+}
+
 /* List of posts, for example in the homepage */
 .posts {}
 
@@ -414,6 +438,12 @@ a.logo:visited {
             font-size: 1.6rem;
         }
 
+        @media (prefers-color-scheme: dark) {
+            .posts > .post > .info > .title > a {
+                color: #fff;
+            }
+        }
+
         /* Some post info showed below the title */
         .posts > .post > .info > .about {
             color:   #666;
diff --git a/freepost/templates/register.html b/freepost/templates/register.html
index 20008e0..7faf8a5 100644
--- a/freepost/templates/register.html
+++ b/freepost/templates/register.html
@@ -15,6 +15,11 @@
         <h3>Create new account</h3>
 
         <form action="" method="post">
+            <div>
+                Registrations are closed because of spam. If you need an account, please
+                ask in #peers (irc.libera.chat)
+            </div>
+
             <div class="title">
                 Screen name
             </div>