update: nav responsive

static/css/style.css

@@ -199,6 +199,25 @@ nav.main-nav a.cta {
     color: #fff;
     margin-left: 12px;
 }
+@media (max-width: 700px) {
+  nav.main-nav {
+      padding: 20px 10px 0 0;
+      background: #fff;
+      background: rgba(255, 255, 255, .90);
+      margin: 0 auto;
+      text-align: right;
+      z-index: 100;
+  }
+  nav.main-nav a {
+      top: 8px;
+      right: 6px;
+      padding: 8px 8px;
+      color: #5badf0;
+      font-size: 13px;
+      line-height: 1.35;
+      border-radius: 3px;
+  }
+}
 
 #wrapper {
     max-width: 600px;