如何让HTML表格与右侧窗口边缘完全相同

This doesn't appear to possible either with or without CSS - I want a table that's exactly 36px from both the left and right sides of the browser window. I can easily get the left margin set - but it doesn't appear to be possible to get the right margin to be exact (margin-right css seems to be totally ignored, and exacerbated by margin-left settings).This doesn't appear to possible either with or