Template:Catnav2/styles.css

/* 淺色模式 */
#topicpath.catnav-topicpath {
    border: 1px outset #eef;
    padding: 0.3em 0.6em;
    margin: 0;
    background: #eef;
    color: #202122;
    clear: both;
    font-size: smaller;
}

/* 深色模式 */

/* 跟隨系統 */
@media (prefers-color-scheme: dark) {
    html.skin-theme-clientpref-os #topicpath.catnav-topicpath {
        background: #202224;
        border: 1px outset #3c4043;
        color: #eaecf0;
    }
}

/* 強制深色 */
html.skin-theme-clientpref-dark #topicpath.catnav-topicpath {
    background: #202224;
    border: 1px outset #3c4043;
    color: #eaecf0;
}