diff --git a/git-tutorial.js b/git-tutorial.js
index a92f220..d7dbe85 100644
--- a/git-tutorial.js
+++ b/git-tutorial.js
@@ -727,11 +727,14 @@ function ___show_graphview_hover(id, default_id) {
     ___hide_graphview_hover(___current_hover_graphview, default_id);
   }
   ___current_hover_graphview = id;
-  // There's a bug on chrome mobile which still shows the border despite the hidden visibility, hoping opacity = 0 will fix this.
+  // There's a bug on chrome mobile which still shows the border despite the hidden visibility,
+  // hoping opacity: 0 and pointer-events: none will fix this.
   document.getElementById(default_id).style.visibility = 'hidden';
   document.getElementById(default_id).style.opacity = '0';
+  document.getElementById(default_id).style.pointerEvents = 'none';
   document.getElementById(id).style.visibility = 'visible';
   document.getElementById(id).style.opacity = '1';
+  document.getElementById(id).style.pointerEvents = 'auto';
 }
 
 function ___hide_graphview_hover(id, default_id) {
@@ -739,8 +742,10 @@ function ___hide_graphview_hover(id, default_id) {
   ___current_hover_graphview = default_id;
   document.getElementById(default_id).style.visibility = 'visible';
   document.getElementById(default_id).style.opacity = '1';
+  document.getElementById(default_id).style.pointerEvents = 'auto';
   document.getElementById(id).style.visibility = 'hidden';
   document.getElementById(id).style.opacity = '0';
+  document.getElementById(id).style.pointerEvents = 'none';
 }
 
 var ___legend = ''
@@ -778,7 +783,7 @@ function ___filesystem_to_graphview(filesystem, previous_filesystem) {
     gv += entry.gv;
     var entry_hover_id = ___global_unique_id++;
     var entry_hover = '';
-    entry_hover += '<div id="' + entry_hover_id + '" style="visibility: hidden; opacity: 0;">';
+    entry_hover += '<div id="' + entry_hover_id + '" style="visibility: hidden; opacity: 0; pointer-events: none;">';
     //entry_hover += 'hover for ' + entries[i][0];
     entry_hover += '<table><thead><tr><th class="cell-path">' + ___format_filepath(entries[i][0]) + '</th></tr></thead>';
     // TODO: use the .td function here too.