body, .title-bar {
    background-color: unset;
}

body::before {
    content: "";
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background-image: url("./pub/img/LessonFace_Sheet_Music_Online.jpg");
    filter: brightness(50%);
}

.title-bar {
    background-image: url("./pub/img/woo.jpg");
}

dialog.window[id] ul > li {
    display: flex;
    flex-direction: column;

    > ol {
        list-style-type: upper-roman;
        list-style-position: inside;

        >li > ol {
            list-style-type: lower-alpha;
            margin-inline-start: 1em;
        }
    }
}


.window-body ul > li + li {
    margin-top: 1em;
}