fix mobile menu

static/css/theme-coko/main.css

@@ -577,6 +577,14 @@ footer section.infos a:hover {
     margin-bottom: 2em;
   }
 }
+@media screen and (max-width: 1100px) {
+  .topbar {
+    flex-direction: column;
+  }
+  .topbar nav ul li {
+    width: 100%;
+  }
+}
 @media screen and (max-width: 768px) {
   .topbar {
     flex-direction: column;
@@ -644,3 +652,11 @@ footer section.infos a:hover {
 .footertagline {
   margin-top: 4em;
 }
+@media screen and (max-width: 700px) {
+  .article-single article {
+    display: block;
+  }
+  .article-single article p {
+    padding: 1em 0;
+  }
+}