.conference-registration form{max-width:600px;margin:0 auto;font-family:Arial,sans-serif}.form-group{margin-bottom:15px}.form-group input[type="text"],.form-group input[type="email"],.form-group input[type="tel"],.form-group textarea{width:100%;padding:10px;border:1px solid #00208a;border-radius:4px;box-shadow:0 4px 8px rgba(0,51,204,0.3)}.form-group textarea{height:150px}.form-group input[type="checkbox"]{margin-right:10px}.form-group input[type="submit"]{background-color:#0033cc;color:#fff;padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-size:16px}.form-group input[type="submit"]:hover{background-color:#002d99}.form-group input[type="text"],.form-group input[type="email"],.form-group input[type="tel"],.form-group textarea,.form-group label{color:#0033cc}.form-group input::placeholder,.form-group textarea::placeholder{color:#00208a}.form-group input[type="file"]{width:100%;padding:10px;border:1px solid #00208a;border-radius:4px;background-color:#f8f9fa;box-shadow:0 4px 8px rgba(0,51,204,0.1);cursor:pointer}.upload-label{display:block;font-size:16px;color:#00208a;margin-bottom:8px}.upload-instructions{font-size:14px;color:#6c757d;margin-top:5px}