DEB-213: Introdued a minimum height for the table rows, so even if the content is null, the rows are displayed even.

src/main.less

@@ -37,6 +37,10 @@
     width: auto;
   }
 
+  tr {
+    height: 23px;
+  }
+  
   td,
   th {
     padding: 5px !important; // prevent overwriting from single object