body{font-family:Tahoma,sans-serif;margin:0;background-color:#071f30;display:flex;justify-content:center;align-items:center;min-height:100vh}.error-container{max-width:800px;width:100%;margin:0 auto;text-align:center}.white-box{background-color:#fff;border-radius:8px;padding:30px;box-shadow:0 4px 12px rgba(0,0,0,.15);margin:0 auto;max-width:600px}.error-title{font-size:2em;margin-bottom:20px;font-weight:normal;text-align:center}.error-message{font-size:1.2em;line-height:1.5;margin-bottom:15px;text-align:center}