diff --git a/index.html b/index.html
index 1779785b..7a4c4376 100644
--- a/index.html
+++ b/index.html
@@ -75,14 +75,6 @@
       mdn: true,
     };
     </script>
-    <style>
-    dt { margin-top: 0.75em; }
-    table { margin-top: 0.75em; border-collapse:collapse; border-style:hidden hidden none hidden }
-    table thead { border-bottom:solid }
-    table tbody th:first-child { border-left:solid }
-    table td, table th { border-left:solid; border-right:solid; border-bottom:solid thin; vertical-align:top; padding:0.2em }
-    li { margin-top: 0.5em; margin-bottom: 0.5em;}
-    </style>
   </head>
   <body data-cite="payment-method-id payment-method-basic-card">
     <h1 id="title">
@@ -1497,7 +1489,7 @@ <h2>
           Instances of {{PaymentRequest}} are created with the internal slots
           in the following table:
         </p>
-        <table>
+        <table class="data">
           <tr>
             <th>
               Internal Slot
@@ -2568,7 +2560,7 @@ <h2>
             <dfn data-lt="PaymentAddress slots" data-lt-nodefault="">Internal
             slots</dfn>
           </h2>
-          <table>
+          <table class="data">
             <tr>
               <th>
                 Internal slot
@@ -3558,7 +3550,7 @@ <h2>
           Instances of {{PaymentResponse}} are created with the internal slots
           in the following table:
         </p>
-        <table>
+        <table class="data">
           <tr>
             <th>
               Internal Slot
@@ -3628,7 +3620,7 @@ <h2>
         <h2>
           Summary
         </h2>
-        <table>
+        <table class="data">
           <tr>
             <th>
               Event name
@@ -3845,7 +3837,7 @@ <h2>
             Instances of {{MerchantValidationEvent}} are created with the
             internal slots in the following table:
           </p>
-          <table>
+          <table class="data">
             <tr>
               <th>
                 Internal Slot
@@ -4107,7 +4099,7 @@ <h2>
             Instances of {{PaymentRequestUpdateEvent}} are created with the
             internal slots in the following table:
           </p>
-          <table>
+          <table class="data">
             <tr>
               <th>
                 Internal Slot
