Added html pages and user interface

static/style.css

@@ -35,8 +35,14 @@ body {
   background-color: #f5f5f5
 }
 
-h1
-{ color: blue;}
+header {
+  background-color: #f5f5f5;
+  font-size: 30px;
+
+
+}
+
+
 
 nav li {
   display: inline;
@@ -48,7 +54,7 @@ nav li {
 
 nav li:last-child {
   color: red;
-background-color: red;
+background-color:#5F9EA0;
   border-right: none;
   border-top-left-radius: 1000%;
   border-bottom-left-radius: 1000%;
@@ -58,7 +64,7 @@ nav ul {
   margin: 0;
   padding: 0;
   overflow: hidden;
-  background-color: #333;
+  background-color: black;
 }