diff --git a/QLMarkdown.xcodeproj/project.pbxproj b/QLMarkdown.xcodeproj/project.pbxproj
index 575dffc..0160d9b 100644
--- a/QLMarkdown.xcodeproj/project.pbxproj
+++ b/QLMarkdown.xcodeproj/project.pbxproj
@@ -13,6 +13,7 @@
 		549688412EE0B0B700FB282A /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5496883A2EE0B0B700FB282A /* AppDelegate.swift */; };
 		549688482EE0B0BA00FB282A /* PreviewViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 549688452EE0B0BA00FB282A /* PreviewViewController.xib */; };
 		549688492EE0B0BA00FB282A /* PreviewViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 549688432EE0B0BA00FB282A /* PreviewViewController.swift */; };
+		5496C6CD2EE1FE7100EE9345 /* style.css in Resources */ = {isa = PBXBuildFile; fileRef = 5496C6CC2EE1FE6E00EE9345 /* style.css */; };
 		54AD6C9B2EE0BC45006CCA14 /* Markdown in Frameworks */ = {isa = PBXBuildFile; productRef = 54AD6C9A2EE0BC45006CCA14 /* Markdown */; };
 		54AD6C9D2EE0C2B1006CCA14 /* markdown.css in Resources */ = {isa = PBXBuildFile; fileRef = 54AD6C9C2EE0C2B1006CCA14 /* markdown.css */; };
 		54C508DB2EE0ED4600E5C1A3 /* empty.txt in Resources */ = {isa = PBXBuildFile; fileRef = 54C508DA2EE0ED4200E5C1A3 /* empty.txt */; };
@@ -56,6 +57,7 @@
 		549688432EE0B0BA00FB282A /* PreviewViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PreviewViewController.swift; sourceTree = "<group>"; };
 		549688442EE0B0BA00FB282A /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/PreviewViewController.xib; sourceTree = "<group>"; };
 		5496884A2EE0B12D00FB282A /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		5496C6CC2EE1FE6E00EE9345 /* style.css */ = {isa = PBXFileReference; lastKnownFileType = text.css; path = style.css; sourceTree = "<group>"; };
 		54AD6C9C2EE0C2B1006CCA14 /* markdown.css */ = {isa = PBXFileReference; lastKnownFileType = text.css; path = markdown.css; sourceTree = "<group>"; };
 		54C508BA2EE0D40A00E5C1A3 /* Preview.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = Preview.entitlements; sourceTree = "<group>"; };
 		54C508DA2EE0ED4200E5C1A3 /* empty.txt */ = {isa = PBXFileReference; lastKnownFileType = text; path = empty.txt; sourceTree = "<group>"; };
@@ -141,6 +143,7 @@
 			children = (
 				54C508FE2EE1C16D00E5C1A3 /* AppIcon.icns */,
 				54AD6C9C2EE0C2B1006CCA14 /* markdown.css */,
+				5496C6CC2EE1FE6E00EE9345 /* style.css */,
 				54C508DA2EE0ED4200E5C1A3 /* empty.txt */,
 			);
 			path = resources;
@@ -246,6 +249,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				549688482EE0B0BA00FB282A /* PreviewViewController.xib in Resources */,
+				5496C6CD2EE1FE7100EE9345 /* style.css in Resources */,
 				54AD6C9D2EE0C2B1006CCA14 /* markdown.css in Resources */,
 				54C508DB2EE0ED4600E5C1A3 /* empty.txt in Resources */,
 			);
diff --git a/QLPreview/PreviewViewController.swift b/QLPreview/PreviewViewController.swift
index 61517bd..4a0aa55 100644
--- a/QLPreview/PreviewViewController.swift
+++ b/QLPreview/PreviewViewController.swift
@@ -27,7 +27,7 @@ class PreviewViewController: NSViewController, QLPreviewingController, WKNavigat
 	}
 	
 	/// Load resource file either from user documents dir (if exists) or app bundle (default).
-	func bundleFile(filename: String, ext: String) throws -> URL {
+	func bundleFile(filename: String, ext: String) -> URL {
 		if let userFile = URL.UserModDir?.appendingPathComponent(filename + "." + ext, isDirectory: false), userFile.exists() {
 			return userFile
 		}
@@ -35,7 +35,6 @@ class PreviewViewController: NSViewController, QLPreviewingController, WKNavigat
 	}
 	
 	func preparePreviewOfFile(at url: URL) async throws {
-		let cssUrl = try bundleFile(filename: "markdown", ext: "css")
 		let md = try Document(parsing: url)
 		
 		let ver = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as! String
@@ -47,7 +46,8 @@ class PreviewViewController: NSViewController, QLPreviewingController, WKNavigat
 <html lang="en">
 <head>
 <meta charset="UTF-8">
-<link rel="stylesheet" type="text/css" href="\(cssUrl)" />
+<link rel="stylesheet" type="text/css" href="\(bundleFile(filename: "markdown", ext: "css"))" />
+<link rel="stylesheet" type="text/css" href="\(bundleFile(filename: "style", ext: "css"))" />
 </head>
 <body class="markdown-body">
 \(HTMLFormatter.format(md))
diff --git a/README.md b/README.md
index ef5eeac..06609f8 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ If you want customizations, you can write your own css file.
 ### How to customize CSS
 
 1. Right click on the app and select "Show Package Contents"
-2. Copy `Contents/Resources/style.css`
+2. Copy `Contents/Resources/style.css` (or `markdown.css`)
 3. Open `~/Library/Containers/de.relikd.QLMarkdown.Preview/Data/Documents/`
 4. Paste the previous file and modify it to your liking
 
diff --git a/resources/markdown.css b/resources/markdown.css
index 1491e36..f80e017 100644
--- a/resources/markdown.css
+++ b/resources/markdown.css
@@ -1,7 +1,3 @@
-/* manually added: */
-body { padding: 20px 40px 10px; }
-footer { font-size: 0.6em; color: #777; margin: 50px 0 0; text-align: center; }
-
 /* Copied from https://github.com/sindresorhus/github-markdown-css (2025-12-04) */
 .markdown-body {
   --base-size-4: 0.25rem;
diff --git a/resources/style.css b/resources/style.css
new file mode 100644
index 0000000..4106db8
--- /dev/null
+++ b/resources/style.css
@@ -0,0 +1,8 @@
+body {
+	padding: 20px 30px 10px;
+}
+footer {
+	font-size: 0.6em;
+	color: #777;
+	margin: 50px 0 0;
+}