.kv-demo-answers button.is-selected{background:var(--kv-yellow);border-color:var(--kv-ink)}
.kv-demo-answers button.is-correct{background:#e8f0e9;border-color:var(--kv-green);color:#174b3b}
.kv-demo-answers button.is-incorrect{background:#f8e1e0;border-color:#c86260;color:#7e2927}