MediaWiki:Citizen.css

<small>Small text</small>/* All CSS here will be loaded for users of the Citizen skin */
.mw-parser-output a.external::after {
    display: none;
}
.citizen-table-wrapper {
    overflow-x: unset;
}

.citizen-footer {
    display: none;	
}

.mw-parser-output a.extiw, .mw-parser-output a.external {
    color: #e35b5b;
}

.mw-parser-output a.extiw:visited, .mw-parser-output a.external:visited {
    color: #e35b5b;
}

.mw-parser-output a.external:hover, .mw-parser-output a.external:visited:hover {
    color: #e35b5b;
}


.figure[typeof~='mw:File/Thumb'] > a:first-child:not(.mw-file-description),figure[typeof~='mw:File/Frame'] > a:first-child:not(.mw-file-description) {
        /* padding:var(--space-sm); */
        /* border:1px solid var(--border-color-base--darker); */
    }