diff --git a/kallithea/templates/register.html b/kallithea/templates/register.html
--- a/kallithea/templates/register.html
+++ b/kallithea/templates/register.html
@@ -74,9 +74,9 @@
                     <div class="nohighlight">
                         ${h.submit('sign_up',_('Sign Up'),class_="btn btn-default")}
                         %if c.auto_active:
-                            <div class="activation_msg">${_('Registered accounts are ready to use and need no further action.')}</div>
+                            <div class="alert alert-info">${_('Registered accounts are ready to use and need no further action.')}</div>
                         %else:
-                            <div class="activation_msg">${_('Please wait for an administrator to activate your account.')}</div>
+                            <div class="alert alert-info">${_('Please wait for an administrator to activate your account.')}</div>
                         %endif
                     </div>
                 </div>