navbar as 3 evenly sized flexs

static/css/main.css

@@ -116,6 +116,14 @@ a:hover {
 
 nav{
     flex: 1 0 auto;
+    display: flex;
+}
+
+nav div {
+	flex: 1 0 33%;
+}
+nav a {
+	flex: 1 0 33%;
 }
 
 /* Colored borders at top/bottom of page */