The height property is used to set the height of a box. They can take values of a length, a percentage, or the keyword auto.
Example
You can try to run the following code to set height −
<html> <head> </head> <body> <p style = "width:200px; height:50px; border:2px solid green; padding:15px; margin:20px;"> This paragraph is 200pixels wide and 50 pixels high </p> </body> </html>