I suspect you hit Control instead of Shift
Underline is Shift + "-" key
Zoom out is Control + "-" key in some browsers
Try hitting Control and "+" to zoom in.
Think of the haters in your life as sandpaper; they’ll scratch you up time and time again but in the end you’re polished, smooth, and spotless..while they end up useless
We make a living by what we get, but we make a life by what we give.