Merge branch 'dev' into feature/add_logo_dark_light_mode_switching

assets/js/appearance.js

@@ -91,3 +91,11 @@ var updateLogo = (targetAppearance) => {
 var getTargetAppearance = () => {
   return document.documentElement.classList.contains("dark") ? "dark" : "light"
 }
+
+window.addEventListener("DOMContentLoaded", (event) => {
+  const scroller = document.getElementById("top-scroller");
+  const footer = document.getElementById("site-footer");
+  if(scroller.getBoundingClientRect().top > footer.getBoundingClientRect().top) {
+    scroller.hidden = true;
+  }
+});