diff --git a/patterns/tables.html b/patterns/tables.html
index 4401975..d19be68 100644
--- a/patterns/tables.html
+++ b/patterns/tables.html
@@ -3,7 +3,7 @@ <h3>Normal Table</h3>
   <table>
     <caption>Table Caption</caption>
     <thead>
-      <tr>
+      <tr class="title-bar-dark">
         <th>thead th</th>
         <th>thead th</th>
         <th>thead th</th>
@@ -34,7 +34,7 @@ <h3>Table with cell borders</h3>
   <table class="cells">
     <caption>Table Caption</caption>
     <thead>
-      <tr>
+      <tr class="title-bar-dark">
         <th>thead th</th>
         <th>thead th</th>
         <th>thead th</th>
@@ -80,7 +80,7 @@ <h3>Link Table</h3>
     <table>
       <caption>Table Caption</caption>
       <thead>
-        <tr>
+        <tr class="title-bar-dark">
           <th>thead th</th>
           <th>thead th</th>
           <th>thead th</th>
@@ -110,7 +110,7 @@ <h3>Link Table</h3>
     <table class="cells">
       <caption>Table Caption</caption>
       <thead>
-        <tr>
+        <tr class="title-bar-dark">
           <th>thead th</th>
           <th>thead th</th>
           <th>thead th</th>