.mcb-book-form { max-width:400px; margin:20px auto; padding:10px; border:1px solid #ccc; border-radius:4px; }
.mcb-book-form label { display:block; margin-top:10px; }
.mcb-book-form input, .mcb-book-form select, .mcb-book-form button { width:100%; padding:6px; margin-top:4px; }
.mcb-slot { margin:6px 0; }
.mcb-slot input { margin-right:6px; }
.mcb-success { color:green; margin-top:10px; }
.mcb-error { color:red; margin-top:10px; }