alps theme: if there's nothing to show, say so

themes/alps/address-book.html

@@ -34,6 +34,9 @@
             {{end}}
           </div>
           {{end}}
+          {{if not .AddressObjects}}
+          <p class="empty-list">Nothing here yet.</p>
+          {{end}}
         </div>
       </section>
 

themes/alps/assets/style.css

@@ -366,6 +366,15 @@ main table tfoot {
   margin-left: 0.3rem;
 }
 
+.empty-list {
+  text-align: center;
+  grid-column-start: 1;
+  grid-column-end: 10;
+  font-size: 1.1rem;
+  color: #333;
+  margin-top: 1rem;
+}
+
 input[type="submit"],
 .button,
 button,

themes/alps/mailbox.html

@@ -55,6 +55,9 @@
             {{ .Envelope.Date | formatdate }}
           </div>
           {{ end }}
+          {{if not .Messages}}
+          <p class="empty-list">Nothing here yet.</p>
+          {{end}}
         </div>
       </section>
       <section class="actions">