update main.css (front-end header stuff).

static/css/main.css

@@ -655,10 +655,12 @@ hr {
 
 .fe-site-header {
     display: flex;
-    flex-direction: row;
+    flex-direction: column;
     background: white;
     align-items: center;
     padding: 8px;
+    text-align: center;
+    text-decoration: none;
 }
 
 .fe-site-header img {
@@ -671,6 +673,10 @@ hr {
     margin: 8px;
 }
 
+#fe-main nav {
+    text-align: center;
+}
+
 /* big landscape tablets, laptops, and desktops */
 @media (min-width:1025px) {
 }