Tests that CSS3 calc() can be used with the font property using fractional sizes On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS getComputedStyle(document.getElementById("calc-reduce"), null).lineHeight is "24px" PASS getComputedStyle(document.getElementById("calc-reduce"), null).fontSize is "9.6px" PASS successfullyParsed is true TEST COMPLETE