website-embedded table header cells changing width during vertical scroll
I have a table that when I embed it on a website page has the mysterious behavior of the header cells changing width when you start to vertically scroll. Upon initial table display (when the vertical scroll involves top-of-table) the header cells display at the correct width; however, if you start scrolling down in the table then the header cells change width and don't match the width of their corresponding column cells below.
here's the test table location: