Update default.html

Signed-off-by: David Rotermund <54365609+davrot@users.noreply.github.com>

_layouts/default.html

@@ -112,6 +112,31 @@
         .highlight .vm { color: #19177C } /* Name.Variable.Magic */
         .highlight .il { color: #666666 } /* Literal.Number.Integer.Long */    
 
+        table {
+          border-collapse: collapse;
+          width: 100%;
+          border: 2px solid black; /* 2px border around the table */
+        }
+        
+        table, th, td {
+          border: 1px solid black; /* 1px lines for cells and header */
+        }
+        
+        th {
+          background-color: white; /* White background for header */
+        }
+        
+        tr:nth-child(even) {
+          background-color: #d5e3f3; /* Blue for even rows */
+        }
+        
+        tr:nth-child(odd) {
+          background-color: white; /* White for odd rows */
+        }
+
+        th:empty {
+          display: none; /* This will make an empty header cell vanish */
+        }            
     </style>
     
 </head>