fix: remove duplicate border-left-width:0 in drilldown
fix: remove duplicate border-left-width:0 in drilldown

zurb/foundation-sites,abdullahsalem/foundation-sites,zurb/foundation,zurb/foundation,abdullahsalem/foundation-sites,denisahac/foundation-sites,abdullahsalem/foundation-sites,zurb/foundation-sites,DaSchTour/foundation-sites,DaSchTour/foundation-sites,zurb/foundation,denisahac/foundation-sites,zurb/foundation-sites,denisahac/foundation-sites