Fixes header vertical centering.
Fixes header vertical centering.

htve/GitlabForChinese,SVArago/gitlabhq,t-zuehlsdorff/gitlabhq,dreampet/gitlab,screenpages/gitlabhq,darkrasid/gitlabhq,stoplightio/gitlabhq,dreampet/gitlab,htve/GitlabForChinese,shinexiao/gitlabhq,dplarson/gitlabhq,jirutka/gitlabhq,htve/GitlabForChinese,martijnvermaat/gitlabhq,icedwater/gitlabhq,LUMC/gitlabhq,openwide-java/gitlabhq,darkrasid/gitlabhq,mmkassem/gitlabhq,dreampet/gitlab,jirutka/gitlabhq,daiyu/gitlab-zh,SVArago/gitlabhq,mr-dxdy/gitlabhq,openwide-java/gitlabhq,LUMC/gitlabhq,iiet/iiet-git,htve/GitlabForChinese,stoplightio/gitlabhq,screenpages/gitlabhq,LUMC/gitlabhq,jirutka/gitlabhq,screenpages/gitlabhq,allysonbarros/gitlabhq,dplarson/gitlabhq,t-zuehlsdorff/gitlabhq,icedwater/gitlabhq,shinexiao/gitlabhq,darkrasid/gitlabhq,mr-dxdy/gitlabhq,mmkassem/gitlabhq,openwide-java/gitlabhq,Soullivaneuh/gitlabhq,axilleas/gitlabhq,LUMC/gitlabhq,icedwater/gitlabhq,daiyu/gitlab-zh,t-zuehlsdorff/gitlabhq,Soullivaneuh/gitlabhq,iiet/iiet-git,Soullivaneuh/gitlabhq,stoplightio/gitlabhq,daiyu/gitlab-zh,axilleas/gitlabhq,dreampet/gitlab,icedwater/gitlabhq,shinexiao/gitlabhq,axilleas/gitlabhq,openwide-java/gitlabhq,darkrasid/gitlabhq,allysonbarros/gitlabhq,iiet/iiet-git,martijnvermaat/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git,shinexiao/gitlabhq,jirutka/gitlabhq,mr-dxdy/gitlabhq,daiyu/gitlab-zh,mr-dxdy/gitlabhq,t-zuehlsdorff/gitlabhq,mmkassem/gitlabhq,allysonbarros/gitlabhq,axilleas/gitlabhq,dplarson/gitlabhq,martijnvermaat/gitlabhq,SVArago/gitlabhq,martijnvermaat/gitlabhq,SVArago/gitlabhq,dplarson/gitlabhq,screenpages/gitlabhq,allysonbarros/gitlabhq,mmkassem/gitlabhq,Soullivaneuh/gitlabhq