#home ul, #home li {
    list-style: none;
    padding-left: 0;
    margin-left: 0;
}

#home li::marker {
    content: none;
}

#home ul ul {
    padding-left: 1.2rem;
    margin-left: 0.5rem;
}

#home li {
    cursor: pointer;
    user-select: none;
    margin: 0.2rem 0;
    font-size: 14px;
}

#home .tree-toggle::before {
    content: '+';
    display: inline-block;
    width: 1em;
    margin-right: 0.3em;
    font-weight: bold;
}

#home .tree-toggle.collapsed::before {
    content: '+';
}

#home .tree-toggle.expanded::before {
    content: '-';
}

#home .tree-submenu {
    display: none;
}

#home .tree-submenu.show {
    display: block;
}