diff --git a/edit.html b/edit.html
index 32c037b1..8e06dc9d 100644
--- a/edit.html
+++ b/edit.html
@@ -243,6 +243,14 @@
 				padding: 0.5rem;
 				z-index: 99;
 			}
+			#help-popup.big {
+				max-width: 100%;
+				left: 3rem;
+			}
+			#help-popup.big .CodeMirror {
+				min-height: 2rem;
+				height: 70vh;
+			}
 			#help-popup .title {
 				font-weight: bold;
 				background-color: rgba(0,0,0,0.05);
diff --git a/edit.js b/edit.js
index e15cf5ff..fb11c477 100644
--- a/edit.js
+++ b/edit.js
@@ -1529,7 +1529,7 @@ function showLintHelp() {
 
 function showHelp(title, text) {
 	var div = document.getElementById("help-popup");
-	div.style.cssText = "";
+	div.classList.remove("big");
 	div.querySelector(".contents").innerHTML = text;
 	div.querySelector(".title").innerHTML = title;
 
@@ -1552,7 +1552,7 @@ function showHelp(title, text) {
 
 function showCodeMirrorPopup(title, html, options) {
 	var popup = showHelp(title, html);
-	popup.style.width = popup.style.maxWidth = "calc(100vw - 7rem)";
+	popup.classList.add("big");
 
 	popup.codebox = CodeMirror(popup.querySelector(".contents"), shallowMerge(options, {
 		mode: "css",
@@ -1567,7 +1567,6 @@ function showCodeMirrorPopup(title, html, options) {
 		keyMap: prefs.getPref("editor.keyMap")
 	}));
 	popup.codebox.focus();
-	popup.codebox.setSize(null, "70vh");
 	popup.codebox.on("focus", function() { hotkeyRerouter.setState(false) });
 	popup.codebox.on("blur", function() { hotkeyRerouter.setState(true) });
 	return popup;
diff --git a/manage.js b/manage.js
index 2814ba6e..8c35cbb8 100644
--- a/manage.js
+++ b/manage.js
@@ -389,38 +389,31 @@ function codeIsEqual(a, b) {
 }
 
 function jsonEquals(a, b, property) {
-	var type = getType(a[property]);
-	var typeB = getType(b[property]);
-	if (type != typeB) {
+	var aProp = a[property], typeA = getType(aProp);
+	var bProp = b[property], typeB = getType(bProp);
+	if (typeA != typeB) {
 		// consider empty arrays equivalent to lack of property
-		if ((type == "undefined" || (type == "array" && a[property].length == 0)) && (typeB == "undefined" || (typeB == "array" && b[property].length == 0))) {
+		if ((typeA == "undefined" || (typeA == "array" && aProp.length == 0)) && (typeB == "undefined" || (typeB == "array" && bProp.length == 0))) {
 			return true;
 		}
 		return false;
 	}
-	if (type == "undefined") {
+	if (typeA == "undefined") {
 		return true;
 	}
-	if (type == "array") {
-		if (a[property].length != b[property].length) {
+	if (typeA == "array") {
+		if (aProp.length != bProp.length) {
 			return false;
 		}
-		for (var i = 0; i < a.length; i++) {
-			var found = false;
-			for (var j = 0; j < b.length; j++) {
-				if (a[i] == b[j]) {
-					found = true;
-					break;
-				}
-			}
-			if (!found) {
+		for (var i = 0; i < aProp.length; i++) {
+			if (bProp.indexOf(aProp[i]) == -1) {
 				return false;
 			}
 		}
 		return true;
 	}
-	if (type == "string") {
-		return a[property] == b[property];
+	if (typeA == "string") {
+		return aProp == bProp;
 	}
 }
 
diff --git a/storage.js b/storage.js
index 5826f0f3..f05cc1bd 100644
--- a/storage.js
+++ b/storage.js
@@ -69,7 +69,7 @@ function dbV14(d, error, done) {
 function dbV15(d, error, done) {
 	d.changeVersion(d.version, '1.5', function (t) {
 		t.executeSql('ALTER TABLE styles ADD COLUMN originalMd5 TEXT NULL;');
-	}, error, function() { dbV15(d, error, done)});
+	}, error, function() { done(d); });
 }
 
 function enableStyle(id, enabled) {