Improved some styles

templates/benchmark/list.tmpl

@@ -4,7 +4,7 @@
   <h2>Benchmark</h2>
   <a href="/benchmark/create">Add new benchmark</a>
 
-  <table class="twelve columns card-1">
+  <table class="twelve columns card-2">
     <thead>
       <tr>
         <td>Name</td>