#tutorial-panel { font-family:Arial,Helvetica,sans-serif; }
#tutorial-panel * { box-sizing:border-box; }

/* Center the panel on the screen (you can wrap this in a modal overlay if you wish) */
.tutorial-panel {
    max-width: 600px;
    margin: 3rem auto;
    padding: 1.5rem;
    background:#fff;
    border:1px solid #ddd;
    border-radius:6px;
    box-shadow:0 4px 12px rgba(0,0,0,.1);
}

/* Hide all pages except the one with .active */
.tutorial-page { display:none; }
.tutorial-page.active { display:block; }

/* "Do not show again" checkbox */
.dont-show {
    display:block;
    margin-top:1rem;
    font-size:.9rem;
    color:#555;
}