diff --git a/userscripts/style-webtoons.js b/userscripts/style-webtoons.js
new file mode 100644
index 0000000..85dac6d
--- /dev/null
+++ b/userscripts/style-webtoons.js
@@ -0,0 +1,30 @@
+// ==UserScript==
+// @name         Style-Webtoons
+// @namespace    code.sitosis.com
+// @version      1.0
+// @description  Style Webtoons
+// @author       rudism
+// @match        https://webtoons.com/*
+// @match        https://www.webtoons.com/*
+// @grant        none
+// @run-at       document-end
+// ==/UserScript==
+
+function injectStyle(css) {
+  var style = document.createElement('style');
+  style.innerHTML = css;
+  var body = document.getElementsByTagName('body');
+  if(body.length > 0) {
+    body[0].appendChild(style);
+  }
+}
+
+(function () {
+  'use strict';
+  injectStyle(`
+.viewer_lst .viewer_img img._images {
+  max-width: 300px;
+  min-width: 300px;
+  height: auto;
+}`);
+})();