html, body { font-family: serif; font-size: 16px; } .countdown-container { margin: 5rem; } .time-container { display: flex; } .time { margin: .2rem; background-color: lightpink; border-radius: 1rem; padding: 2rem; } #hour,#min,#sec { font-size: 3rem; margin-right: 1rem; }