Fixed contribute page responsiveness (OWASP#1127)

* Fixed responsive issue in contribute page

* Applied code quality fixes

* Update code

---------

Co-authored-by: Arkadii Yakovets <arkadii.yakovets@owasp.org>

Author: swastika1011

frontend/src/components/Card.tsx

@@ -43,7 +43,7 @@ const Card = ({
   }, [])
 
   return (
-    <div className="mb-2 mt-4 flex w-full flex-col items-start rounded-md border border-border bg-white pb-4 pl-4 dark:bg-[#212529] md:max-w-6xl">
+    <div className="mb-2 mt-4 flex w-full max-w-[95%] px-4 mx-auto flex-col items-start rounded-md border border-border bg-white pb-4 pl-4 dark:bg-[#212529] md:max-w-6xl">
       <div className="mt-2 flex w-full flex-col items-start gap-4 pt-2 sm:flex-col sm:gap-4 md:pt-0">
         <div className="flex items-center gap-3">
           {/* Display project level badge (if available) */}