body{font-family:Arial;background:#f5fbff}
.container{max-width:1000px;margin:auto}
.card{background:#fff;padding:20px;border-radius:8px;margin-top:20px}
.btn{background:#1da1f2;color:#fff;padding:10px;border:none;border-radius:5px}
input,select{width:100%;padding:8px;margin:5px 0}