The line-height Property

line-height: normal (default):

This is a paragraph with a standard line-height.
The standard line height in most browsers is about 110% to 120%.

line-height: 1.6 (recommended):

This is a paragraph with the recommended line-height.
The line height is here set to 1.6. This is a unitless value;
meaning that the line height will be relative to the font size.

line-height: 80%:

This is a paragraph with a smaller line-height.
The line height is here set to 80%.

line-height: 200%:

This is a paragraph with a bigger line-height.
The line height is here set to 200%.