Template:Collsec/styles.css

.collsec {
    width: 85%;
    overflow: auto;
    display: table;
    background: var(--background-color-neutral-subtle, #f8f9fa);
    border: solid var(--border-color-subtle, #c8ccd1);
    border-width: 1px 1px 0.2em;
    box-shadow: 0 1px 2px 1px rgba(0, 0, 0, 0.02);
    padding: 1.25em 1.75em;
    margin-top: 1em;
    margin-bottom: 1em;
    min-width: 15em;
    word-wrap: break-word;
    color: var(--color-base, #202122);
    line-height: 1.5;
}

@media screen {
	html.skin-theme-clientpref-night .mp_header {
        background: var(--background-color-neutral-subtle, #202122);
        border: solid var(--border-color-subtle, #54595d);
        color: var(--color-base, #eaecf0);
    }
}

@media screen and (prefers-color-scheme: dark) {
	html.skin-theme-clientpref-os .mp_header {
        background: var(--background-color-neutral-subtle, #202122);
        border: solid var(--border-color-subtle, #54595d);
        color: var(--color-base, #eaecf0);
    }
}