Created attachment 259610 [details] Chrome, FF and Safari waterfall tests. All modern browsers now provide accurate font metrics and sizing IE, Chrome (desktop, Android, OSX), FF on Windows and Edge. Safari remains the last browser not to fix this issue. See the waterfall tests (screenshots attached): 1. http://people.mozilla.org/~jdaggett/tests/decimalfontwaterfalls-default.html 2. https://blink.gs/tests/text-scaling/webfont.html In case of back compatibility (although other browsers do not care about this), it could be put on text-rendering: geometricPrecision.