body{font-family:Arial,sans-serif;margin:0;padding:0;background-color:#f4f4f4;color:#333}header{background-color:#007bff;color:#fff;text-align:center;padding:20px}section{margin:20px}footer{background-color:#333;color:#fff;text-align:center;padding:10px;position:fixed;bottom:0;width:100%}form{max-width:600px;margin:auto}input,textarea{width:100%;padding:10px;margin-bottom:10px;box-sizing:border-box}button{background-color:#007bff;color:#fff;padding:10px 20px;border:none;cursor:pointer}