Added banner.

style.css

@@ -1,6 +1,7 @@
 body {
     font-family:  "Palatino", "Georgia", Times, serif;
     background-color: rgb(255, 255, 250);
+    line-height: 1.5;
 }
 
 th{
@@ -12,3 +13,36 @@ table#table1 {
     margin-left:35; 
     margin-right:auto; 
 }
+
+/* The navigation bar */
+.navbar {
+  opacity: 0.8;
+  overflow: hidden;
+  background-color: #333;
+  position: fixed; /* Set the navbar to fixed position */
+  top: 0; /* Position the navbar at the top of the page */
+  left: 0;
+  width: 100%; /* Full width */
+  font-weight: bold;
+}
+
+/* Links inside the navbar */
+.navbar a {
+  float: left;
+  display: block;
+  color: #f2f2f2;
+  text-align: center;
+  padding: 14px 16px;
+  text-decoration: none;
+}
+
+/* Change background on mouse-over */
+.navbar a:hover {
+  background: #ddd;
+  color: black;
+}
+
+/* Main content */
+.main {
+  margin-top: 30px; /* Add a top margin to avoid content overlay */
+}