diff --git a/canvas discussion enhancer.js b/canvas discussion enhancer.js
new file mode 100644
index 0000000..79e2928
--- /dev/null
+++ b/canvas discussion enhancer.js	
@@ -0,0 +1,45 @@
+// IIFE
+(document => {
+  function execute() {
+    injectStyling();
+    collapseAllEntries();
+  }
+
+  function injectStyling() {
+    const css = `
+      #discussion_subentries > .discussion-entries {
+        margin-left: 0;
+        border-left: 0;
+      }
+  
+      .discussion-entries {
+        margin-left: 20px;
+        border-left: solid 2px grey;
+      }
+  
+      .entry-content {
+        padding-left: 0 !important;
+      }
+
+      /* make threads full width; hide right column that is empty */
+      .with-right-side #right-side-wrapper {
+        display: none;
+      }
+    `;
+  
+    const style = document.createElement('style');
+    style.type = 'text/css';
+    style.appendChild(document.createTextNode(css));
+    document.head.appendChild(style);
+  }
+  
+  function collapseAllEntries() {
+    const collapseButton = document.getElementById('collapseAll');
+    collapseButton.click();
+  }
+
+  // exposed members
+  return {
+    execute
+  };
+})(document).execute();
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