diff --git a/frontend/src/utils/chat/markdown.js b/frontend/src/utils/chat/markdown.js
index 33c1d198..015d66ab 100644
--- a/frontend/src/utils/chat/markdown.js
+++ b/frontend/src/utils/chat/markdown.js
@@ -19,7 +19,7 @@ const markdown = markdownIt({
     if (lang && hljs.getLanguage(lang)) {
       try {
         return (
-          `<div class="whitespace-pre-line w-full hljs ${theme} light:border-solid light:border light:border-gray-700 rounded-lg relative font-mono font-normal text-sm text-slate-200">
+          `<div class="whitespace-pre-line w-full max-w-[65vw] hljs ${theme} light:border-solid light:border light:border-gray-700 rounded-lg relative font-mono font-normal text-sm text-slate-200">
             <div class="w-full flex items-center sticky top-0 text-slate-200 light:bg-sky-800 bg-stone-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md -mt-5">
               <div class="flex gap-2">
                 <code class="text-xs">${lang || ""}</code>
@@ -37,7 +37,7 @@ const markdown = markdownIt({
     }
 
     return (
-      `<div class="whitespace-pre-line w-full hljs ${theme} light:border-solid light:border light:border-gray-700 rounded-lg relative font-mono font-normal text-sm text-slate-200">
+      `<div class="whitespace-pre-line w-full max-w-[65vw] hljs ${theme} light:border-solid light:border light:border-gray-700 rounded-lg relative font-mono font-normal text-sm text-slate-200">
         <div class="w-full flex items-center sticky top-0 text-slate-200 bg-stone-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md -mt-5">
           <div class="flex gap-2"><code class="text-xs"></code></div>
           <button data-code-snippet data-code="code-${uuid}" class="flex items-center gap-x-1">