diff --git a/website/src/components/SidebarAd/index.js b/website/src/components/SidebarAd/index.js
index 53b207fb..b88db220 100644
--- a/website/src/components/SidebarAd/index.js
+++ b/website/src/components/SidebarAd/index.js
@@ -36,7 +36,7 @@ function initAd() {
 
     const $newEl = document.createElement('div');
     $newEl.id = AD_ELEMENT_ID;
-    $tocEl.append($newEl);
+    $tocEl.prepend($newEl);
 
     return $newEl;
   })();
diff --git a/website/src/css/custom.css b/website/src/css/custom.css
index 3c6b3f47..dc07aee7 100755
--- a/website/src/css/custom.css
+++ b/website/src/css/custom.css
@@ -7,6 +7,5 @@
   --ifm-color-primary-lighter: rgb(165, 165, 245);
   --ifm-color-primary-lightest: rgb(191, 191, 248);
 
-  --ifm-font-size-base: 16px;
-  --ifm-code-font-size: 0.8rem;
+  --ifm-font-size-base: 18px;
 }