body { font-family: sans-serif; line-height: 1.6; padding: 20px; background: #f9f9f9; }
.question { margin-bottom: 20px; }
.results { margin-top: 30px; font-weight: bold; font-size: 1.2em; }
button { padding: 10px 20px; font-size: 1em; }
.hidden { display: none; }