body{display:flex;align-items:center;justify-content:center;height:100vh;margin:0;background-color:#f5f5f5;font-family:Arial,sans-serif}.captcha-container{text-align:center;padding:20px;border-radius:8px;box-shadow:0 0 10px rgba(0,0,0,.1);background-color:#fff}.captcha-image{max-width:100%;height:auto;border:1px solid #ddd;border-radius:4px;margin-bottom:10px}.captcha-input{padding:10px;width:200px;border:1px solid #ddd;border-radius:4px;margin-bottom:10px}.submit-button{padding:10px 20px;background-color:#567ca4;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:16px}.submit-button:hover{background-color:#386383}