geogrid-maplibre-gl/dist/geogrid.css

GeoGrid is a MapLibre GL JS plugin for adding a highly customizable geographic grid (graticule) to your map.

.geogrid .geogrid__label {}

.geogrid  .geogrid__label--top,
.geogrid .geogrid__label--bottom {
    transform: translateX(-50%);
}

.geogrid .geogrid__label--left {
    padding-left: 4px;
    transform: translateY(-50%);
}

.geogrid .geogrid__label--right {
    padding-right: 4px;
    transform: translateY(-50%);
}