Fixed some styles on the test view page

assets/styles/nardah.scss

@@ -76,3 +76,13 @@ textarea{
   max-width: 100%;
   min-height: 100px;
 }
+
+#result-form{
+  margin: 0;
+
+  button,
+  input,
+  select{
+    margin: 0;
+  }
+}

views/test/view.twig

@@ -22,7 +22,7 @@
       <form id="result-form" class="u-full-width" action="{{ url_for('result.add') }}" method="POST">
         <div class="row">
           <div class="four columns">
-            <select name="result_benchmark">
+            <select class="u-full-width:" name="result_benchmark">
               {% for b in test.benchmarks() %}
                 <option value="{{ b.id }}">{{ b.name }}</option>
               {% endfor %}