diff --git a/chrome/content/zotero/lookup.js b/chrome/content/zotero/lookup.js
index fe64eab699..4f486e5bb9 100644
--- a/chrome/content/zotero/lookup.js
+++ b/chrome/content/zotero/lookup.js
@@ -159,7 +159,7 @@ var Zotero_Lookup = new function () {
 		if (!button) {
 			button = document.getElementById("zotero-tb-lookup");
 		}
-		panel.openPopup(button, "after_start", 16, -2, false, false);
+		panel.openPopup(button, "after_start", 0, 0, false, false);
 	}
 	
 	this.onFocusOut = function(event) {
diff --git a/chrome/skin/default/zotero/overlay.css b/chrome/skin/default/zotero/overlay.css
index ea93091dc6..78a6239483 100644
--- a/chrome/skin/default/zotero/overlay.css
+++ b/chrome/skin/default/zotero/overlay.css
@@ -229,7 +229,6 @@ TODO: Replace with SVG
 #zotero-lookup-panel {
 	min-height: 100px;
 	min-width: 500px;
-	padding: 10px;
 }
 
 #zotero-lookup-multiline-progress