diff --git a/talks/_templates/grid.html b/talks/_templates/grid.html
index 109eb40..dd74daa 100644
--- a/talks/_templates/grid.html
+++ b/talks/_templates/grid.html
@@ -10,7 +10,9 @@
     <tbody>
         {% for time in times|sort %}
         <tr>
-            <td>{{time}}</td>
+            <td class="talk-grid-time">
+                {{"%02d:%02d"|format((time // 100) % 24, time % 100)}}
+            </td>
             {% for talk in times[time] %}
                 {% if not loop.first and talk.room == '*' %}
                     {# skip: covered by colspan #}
diff --git a/themes/maya0x17/static/talk.scss b/themes/maya0x17/static/talk.scss
index 01e67b8..0560b08 100644
--- a/themes/maya0x17/static/talk.scss
+++ b/themes/maya0x17/static/talk.scss
@@ -1,7 +1,13 @@
 .talk-grid {
     .talk { text-align: center; }
     td { border: 0; }
-    td:first-child { border-bottom: 1px solid white; }
+    td.talk-grid-time {
+    border-bottom: 1px solid #444;
+    border-top: 1px solid #444;
+    vertical-align: top;
+    padding-top: 0;
+}
+    td.talk { padding-bottom: 1em; padding-top: 1em; }
     .tag-cibo {
         background-color: adjust-color($c-bg, $lightness: -15%);
     }