填充左指定元素的左填充。它设置元素的左填充。这可以采用％的长度值。
<html> <head> </head> <body> <p style = "padding-left: 20px; border:2px solid blue;"> This is demo content. </p> <p style = "padding-left: 20%; border:2px solid blue;"> This is another demo content. </p> </body> </html>