Ie box model and standard box model

Concept
The box model is CSS It's a very important concept in English , Mastering it has a profound effect on website construction .
stay html All elements in are depicted as rectangular boxes, and their occupied space is described by models , Weighing box model .
Standard box model
The box model is described by four boundaries :margin( Margin ),border( Frame ),padding( padding ),content( Content area )
IE The box model
Same as standard box model , The difference is content Part contains border and pading.
Be careful
padding,border,margin It's all optional , The default value is 0, But the browser will set the elements by itself margin and padding, You can override the browser style in the following ways .( Be careful :* All elements , But this performance is not good )

*{
    margin:0;
    padding:0;
}