From SPCodex, The Smashing Pumpkins wiki
a.mw-kartographer-link:not(.mw-kartographer-autostyled):not(.mw-kartographer-map):not(.no-icon),
.mw-kartographer-maplink:not(.mw-kartographer-autostyled):not(.mw-kartographer-map):not(.no-icon) {
background-size: contain;
padding-left: 18px;
}