body{background:#0b0f14;color:white;font-family:Arial;margin:0;padding:20px}
.card{background:#111;padding:20px;margin:10px 0;border-radius:10px}
input,select,button{display:block;margin:5px 0;padding:10px;width:100%}
button{background:#00ff99;color:black;border:none}