/* Disable animation when showing search results. */
#MSearchResultsWindow {
    animation: none;
}

/* more visually responsive sidebar */
html {
    --side-nav-arrow-opacity: 0.4;
    --side-nav-arrow-hover-opacity: 1;

    --side-nav-hover-background: #f0f0f0;
}

#nav-tree div.item:hover .arrow {
    opacity: var(--side-nav-arrow-opacity);
}

#nav-tree div.item a:hover .arrow {
    opacity: var(--side-nav-arrow-hover-opacity);
}

#nav-tree div.item:has(a:hover), #nav-tree div.item:has(a:focus) {
    background-color: var(--side-nav-hover-background);
}