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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Example of CSS units</title> <style> P { font-size:16px; line-height:2.5em; } </style> </head> <body> <p> The line height of this paragraph is 2.5 times of its current font size. The line height of this paragraph is 2.5 times of its current font size. The line height of this paragraph is 2.5 times of its current font size. The line height of this paragraph is 2.5 times of its current font size. </p> </body> </html>
