Footer links updated, about gcs copy added, mailing list popup and signup link added

Author: gitcommitshow

assets/css/footer.css

@@ -0,0 +1,20 @@
+.footer-col-title {
+    text-align: center;
+}
+
+.footer-item {
+    text-align: center;
+}
+
+.footer-item-link {
+    cursor: pointer;
+}
+
+@media (min-width: 1025px) {
+    .footer-item {
+        text-align: left;
+    }
+    .footer-col-title {
+        text-align: left;
+    }
+}