How do you display a border like this:
The top border = 10 pixels
The bottom border = 5 pixels
The left border = 20 pixels
    The right border = 1pixel?
A、 border-width:5px 20px 10px 1px;
B、border-width:10px 5px 20px 1px;
C、border-width:10px 20px 5px 1px;
D、border-width:10px 1px 5px 20px;