margin

Margin, indicating the distance between the border and the nearest box.

For the left and right sides,

 #008080;"> 1 

 2 "en">

 3 

 4 "UTF-8">

 5 

 6 

26

27 

28 

29

30 class="box1">

31 class="box2">

32

33 

34 

For the upper and lower boxes

 1 

 2 "en">

 3 

 4 "UTF-8">

 5 

 6 

26

27 

28 

29

30 class="box1">

31 class="box2">

32

33 

34 

Author: Wanderer

Date: 2019-08-31

 1 

 2 "en">

 3 

 4 "UTF-8">

 5 

 6 

26

27 

28 

29

30 class="box1">

31 class="box2">

32

33 

34 

 1 

 2 "en">

 3 

 4 "UTF-8">

 5 

 6 

26

27 

28 

29

30 class="box1">

31 class="box2">

32

33 

34