Refactor code: Improve button styling in login dialog for unauthenticated users

Author: A91y

src/components/Login/Login.tsx

@@ -247,7 +247,7 @@ const Login = () => {
             </div>
           )}
           {status === "unauthenticated" && (
-            <button onClick={userLogin} className="py-2">
+            <button onClick={userLogin} className="py-2 outline-none border-0 ring-0">
               <span className="text-sm md:text-base ">
                 Sign in with GitHub&nbsp;
               </span>