CSS to fit long channel values.

static/css/channels.css

@@ -6,6 +6,13 @@
     line-height: 40px;
 }
 
+.channels-table .value-cell {
+    max-width: 400px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
 .channels-table .channel-row:hover > td {
     background: #f5f5f5;
 }

templates/front/channels.html

@@ -26,7 +26,7 @@
             {% if ch.kind == "pd" %} PagerDuty {% endif %}
             {% if ch.kind == "po" %} Pushover {% endif %}
             </td>
-            <td>
+            <td class="value-cell">
                 <span class="preposition">
                 {% if ch.kind == "email" %} to {% endif %}
                 {% if ch.kind == "pd" %} API key {% endif %}