Improved some styles

templates/test/list.tmpl

@@ -4,7 +4,7 @@
   <h2>Tests</h2>
   <a href="/test/create">Create a new test</a>
 
-  <table class="twelve columns card-1">
+  <table class="twelve columns card-2">
     <thead>
       <tr>
         <td>Title</td>

templates/test/view.tmpl

@@ -69,7 +69,7 @@
   {{ $length := len .test.Results }} {{ if eq $length 0 }}
     <p>There are currently no benchmarks recorded in this test.</p>
   {{ else }}
-    <table class="u-full-width card-1">
+    <table class="u-full-width card-2">
       <thead>
         <tr>
           <th>Benchmark</th>