Human eyes focus differently on dark on white vs white on dark. The new dark header induces switch strain as well as focus issues (for humans). http://ux.stack

Human eyes focus differently on dark on white vs white on dark. The new dark header induces switch strain as well as focus issues (for humans). http://ux.stackexchange.com/questions/53264/dark-or-white-color-theme-is-better-for-the-eyes/53268#53268 http://ux.stackexchange.com/questions/53264/dark-or-white-co...