O型是肉食主义者，A型血是素食主义者，这种血型和饮食的论调是怎么来的？要据此来安排自己的饮食偏向吗？？

unwanted space before and after nested html table using Internet Explorer 8

I have an html table nested in an html table cell. I want the nested table to use the full size of the cell it is nested in. When I use firefox or google chrome I get the result I want but when I use