Multiple choice technology web 2.0

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?

  1. border-width:10px 5px 20px 1px

  2. border-width:10px 1px 5px 20px

  3. border-width:10px 1px 20px 5px

  4. border-width:10px 20px 5px 1px

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

CSS border-width shorthand follows clockwise order: top, right, bottom, left. For top=10px, bottom=5px, left=20px, right=1px, the syntax is border-width: 10px 1px 5px 20px.