I am sorry, with all my heart, to find you so resolute. We have never had any quarrel, to which I have been a party. But I have made the trial in homage to Christmas, and I'll keep my Christmas humour to the last. So A Merry Christmas, uncle!

Like the em unit, the rem unit is based on declared font size. The difference—and it’s a doozy—is that whereas em is calculated using the font size of the element to which it’s applied, rem is always calculated using the root element.

After we toured the Forbidden City and the Great Wall, I held a question-and-answer session with students at Beijing University.

feeling mild annoyance