The margin-bottom property is used to set the bottom margin of an element. It can have a value in length, % or auto.
Example
You can try to run the following code to set the bottom margin
<html> <head> </head> <body> <p style = "margin-bottom: 40px; border:2px solid yellow;"> Cricket crazy nation India! </p> <p style = "margin-bottom: 20%; border:2px solid yellow;"> Cricket crazy nation Australia! </p> </body> </html>