Display Border In CSS| CSS Multiple Choice interview Questions

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:10px 1px 5px 20px;

B) border-width:5px 20px 10px 1px;

C) border-width:10px 5px 20px 1px;

D) border-width:10px 20px 5px 1px;

The width of an element's four borders sets the border-width property. This property can contain from one to four values.

<style>
   border-width: medium thin 5px thick;
</style>

The top border is medium.
The right border is thin.
The bottom border is 5px.
The left border is thick.

Another example is border-width:10px 1px 5px 20px;

Which property is used to change the left margin of an element?

When using the padding property; are you allowed to use negative values?

How do you make a list that lists its items with squares?

How do you select an element with id "demo"?

How do you select elements with the class name "test"?