CSS padding 과 margin 속성

The padding property can have from one to four values.
padding:25px 50px 75px 100px;
top padding is 25px
right padding is 50px
bottom padding is 75px
left padding is 100px

padding:25px 50px 75px;
top padding is 25px
right and left paddings are 50px
bottom padding is 75px

padding:25px 50px;
top and bottom paddings are 25px
right and left paddings are 50px

padding:25px;
all four paddings are 25px

margin에도 마찬가지.. 그리고 익스플로어는 병신이라 계산을 병신같이 하기도 함..