Module:NavboxUpgraded/styles.css

.navbox-upgraded {
    box-sizing: border-box;
    border: 1px solid #a2a9b1;
    width: 100%;
    clear: both;
    font-size: 88%;
    text-align: center;
    padding: 1px;
    margin: 1em auto 0;
}

.navbox-upgraded .navbox-subgroup {
    background-color: #fdfdfd;
    border: 1px solid #a2a9b1;
    width: 100%;
    /* Ensure subgroups are contained properly */
    clear: both;
}

.navbox-upgraded .navbox-group {
    padding: 0.25em 1em;
    line-height: 1.5em;
    text-align: right;
    background-color: #ddf; /* Parent shade */
    font-weight: bold;
}

.navbox-upgraded .navbox-title {
    background-color: #ccf;
    padding: 0.25em 1em;
}

.navbox-upgraded .navbox-abovebelow {
    background-color: #ddf;
    padding: 0.25em 1em;
}

.navbox-upgraded .navbox-list {
    line-height: 1.5em;
    list-style-type: disc;
    padding-left: 1.5em;
}

.navbox-upgraded .navbox-list-with-group {
    text-align: left;
    border-left-width: 2px;
    border-left-style: solid;
}

.navbox-upgraded .navbox-odd {
    background-color: #f7f7f7;
}

.navbox-upgraded .navbox-even {
    background-color: transparent;
}

.navbox-upgraded .hlist {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding-left: 0;
}

.navbox-upgraded .hlist li {
    margin-right: 1em;
}

.navbox-upgraded .plainlist {
    list-style-type: none;
    padding-left: 0;
}

/* Additional styles to match original Navbox */
.navbox-upgraded .navbar {
    display: block;
    font-size: 100%;
}

.navbox-upgraded .navbox-title .navbar {
    float: left;
    text-align: left;
    margin-right: 0.5em;
}

@media print {
    .navbox-upgraded {
        display: none;
    }
}