diff --git a/assets/style.css b/assets/style.css
index e9dd24d..433c469 100755
--- a/assets/style.css
+++ b/assets/style.css
@@ -1,11 +1,20 @@
+body {
+    font-family: sans-serif;
+}
+
 table td+td {
-    border-left: 1px dashed green;
+    border-left: 1px dashed silver;
+    text-align: center;
 }
 
 td {
     font-family: monospace;
 }
 
+td.ref {
+    font-weight: bold;
+}
+
 td.empty {
     color: silver;
 }
diff --git a/index_main.php b/index_main.php
index aaaa9c6..be10c4d 100755
--- a/index_main.php
+++ b/index_main.php
@@ -31,13 +31,13 @@ foreach ($allVars as $family => $models) {
         $allVersions = $db->getAllVersionsForModel($model);
         echo '<table><tbody>';
         foreach ($variants as $ref => $name) {
-            echo '<tr><td>' . $ref . '</td>';
+            echo '<tr><td class="ref">' . $ref . '</td>';
             $refVersions = $db->getAllVersionsForRef($ref);
             foreach ($allVersions as $v) {
                 if (in_array($v, $refVersions, true)) {
                     echo '<td>' . $v . '</td>';
                 } else {
-                    echo '<td class="empty">------</td>';
+                    echo '<td class="empty">- - -</td>';
                 }
             }
             echo '</tr>' . PHP_EOL;