.post-newsletter-form-container{max-width:500px;margin:0 auto;padding:20px;background-color:#f9f9f9;border:1px solid #e5e5e5;border-radius:4px}.post-newsletter-form{display:flex;flex-direction:column}.post-newsletter-form-field{margin-bottom:15px}.post-newsletter-form-field input[type="text"],.post-newsletter-form-field input[type="email"]{width:100%;padding:10px;border:1px solid #ddd;border-radius:4px;font-size:16px}.post-newsletter-submit-button{padding:10px 15px;background-color:#0073aa;color:#fff;border:none;border-radius:4px;font-size:16px;cursor:pointer;transition:background-color 0.3s ease}.post-newsletter-submit-button:hover{background-color:#005177}.post-newsletter-message{margin-top:15px;padding:10px;border-radius:4px}.post-newsletter-message.success{background-color:#d4edda;border:1px solid #c3e6cb;color:#155724}.post-newsletter-message.error{background-color:#f8d7da;border:1px solid #f5c6cb;color:#721c24}@media screen and (max-width:600px){.post-newsletter-form-container{padding:15px}.post-newsletter-form-field input[type="text"],.post-newsletter-form-field input[type="email"]{padding:8px;font-size:14px}.post-newsletter-submit-button{padding:8px 12px;font-size:14px}}