diff --git a/content/two_column_html_addons.css b/content/two_column_html_addons.css
new file mode 100644
index 0000000..1fce53d
--- /dev/null
+++ b/content/two_column_html_addons.css
@@ -0,0 +1,31 @@
+/* Two column addons for html addons manager available in Firefox 68 */
+
+
+@-moz-document url-prefix("chrome://mozapps/content/extensions/aboutaddons.html"){
+  
+  :root{  overflow-x: hidden } /* Remove this if it causes horizontal scrolling problems */
+  
+  @media (min-width:720px){
+    #main{ max-width: unset !important; padding-right: 28px; }
+    addon-list > section,
+    recommended-addon-list{
+      padding: 1em;
+      display: grid;
+      grid-template-areas: "hd hd" "cd cd";
+      grid-template-columns: 1fr 1fr;
+      column-gap: 1em;
+     
+    }
+  
+    addon-card .card-contents{ width: unset !important; white-space: initial !important; }
+  
+    .card-heading-image{ max-width: calc(100% + 32px) }
+    section > h2{ grid-area: hd }
+    addon-card{
+      padding-bottom: 0px !important;
+      padding-top: 0px !important;
+      grid-area: auto;
+    }
+    addon-card .addon-description{ max-height: 3em; scrollbar-width: thin; }
+  }
+}
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