css - Why does changing font-size and line-height screw up my HTML layout? -


i post code if helpful (but it's lot). basically, if change line-height or font-size big value, breaks html layout - specifically, divs seem getting bigger...but don't have text in divs.

any inline element pay attention line-height:

on block container element content composed of inline-level elements, 'line-height' specifies minimal height of line boxes within element.

in case, have <img> elements (which inline elements default) inside <div> elements (which block containers).

changing font-size implicitly alters pixel value of line-height, default line-height: normal , means:

tells user agents set used value "reasonable" value based on font of element.

so, altering either font-size or line-height change vertical space inline elements occupy.


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