.ksa-activity { border: 1px solid #ccc; padding: 15px; margin-bottom: 20px; }
.ksa-register-btn { display: inline-block; padding: 8px 16px; background: #0073aa; color: white; text-decoration: none; }
.ksa-full { color: red; }
.ksa-registration-form label { display: block; margin: 10px 0; }