It seems like the whole preview "window" has this padding of about 20px, so that the tools in the upper right corner, the subject and mail-header information do not touch the edge. It should be minimal effort to only apply padding to the mail header but not to the mail content/ body.
It seems like the whole preview "window" has this padding of about 20px, so that the tools in the upper right corner, the subject and mail-header information do not touch the edge. It should be minimal effort to only apply padding to the mail header but not to the mail content/ body.