diff --git a/lib/letter_opener/message.html.erb b/lib/letter_opener/message.html.erb
index a574d74..34457cc 100644
--- a/lib/letter_opener/message.html.erb
+++ b/lib/letter_opener/message.html.erb
@@ -2,7 +2,7 @@
 
 <style type="text/css">
   #message_headers {
-    position: static;
+    position: absolute;
     top: 0px;
     left: 0;
     width: 100%;
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 107a29a..be6dd80 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -6,4 +6,7 @@
 require "launchy"
 
 RSpec.configure do |config|
+  config.treat_symbols_as_metadata_keys_with_true_values = true
+  config.filter_run :focus => true
+  config.run_all_when_everything_filtered = true
 end