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used just like with any other normal border. For example, adding the below code would produce a
border only on the top of the element.

border-width: 5px 0px 0px 0px;

Note that, any element that has border-image property won't respect the border-radius (that is the
border won't curve). This is based on the below statement in the spec:

A box's backgrounds, but not its border-image, are clipped to the appropriate curve (as
determined by ‘background-clip’).

Read Border online: https://riptutorial.com/css/topic/2160/border

https://riptutorial.com/ 57