apply margin on alert banners only when there is one or more alerts
apply margin on alert banners only when there is one or more alerts

stoplightio/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,dplarson/gitlabhq,htve/GitlabForChinese,darkrasid/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,openwide-java/gitlabhq,dreampet/gitlab,htve/GitlabForChinese,openwide-java/gitlabhq,stoplightio/gitlabhq,axilleas/gitlabhq,iiet/iiet-git,LUMC/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,openwide-java/gitlabhq,htve/GitlabForChinese,dplarson/gitlabhq,LUMC/gitlabhq,dreampet/gitlab,htve/GitlabForChinese,darkrasid/gitlabhq,LUMC/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,openwide-java/gitlabhq,t-zuehlsdorff/gitlabhq,stoplightio/gitlabhq,jirutka/gitlabhq,t-zuehlsdorff/gitlabhq,jirutka/gitlabhq,dplarson/gitlabhq,LUMC/gitlabhq,axilleas/gitlabhq,darkrasid/gitlabhq,darkrasid/gitlabhq,stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,t-zuehlsdorff/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,dplarson/gitlabhq