I might be wrong, but i get the impression that when i set line-height as
%age or ems it doesn't properly change along with font-size, but if i
specify it as number, such as 1.5, it appears to behave properly (as in:
resize along with the font-size).
> It sould be already set to the normal setting of 100%, without you
> adding a line-height golbally. There is no need for you to set
> line-height *globally* unless you want to change to a larger/smaller
> line-height. Then you would use line-height with a figure above or below