The line height for this paragraph is set at exactly 10 pixels, which means that the height between lines of the paragraph will be 10 pixels apart. This is another sentence I'm typing just to make sure there is enough for you to recognize the distance between lines.

The line height for this paragraph is set at 200%, which means that the height between lines of the paragraph will be twice the size of the font. This is another sentence I'm typing just to make sure there is enough for you to recognize the distance between lines.