sort styles by first rule's index
sort styles by first rule's index

tomhughes/carto,1ec5/carto,CartoDB/carto,midnightcomm/carto,CartoDB/carto,stefanklug/carto,clhenrick/carto,pnorman/carto,madeinqc/carto,mapbox/carto,whitelynx/carto,gravitystorm/carto