4 Reference: Left on the lower right
margin:10px 5px 15px 20px;
3 parameters: the lower right
margin:10px 5px 15px;
2 parameters: the vertical and horizontal
margin:10px 5px;
4 Reference: Left on the lower right
margin:10px 5px 15px 20px;
3 parameters: the lower right
margin:10px 5px 15px;
2 parameters: the vertical and horizontal
margin:10px 5px;