CSS Shorthand Border Property
CSS Border - Shorthand Property
Like you saw in the previous page, there are many properties to consider when dealing with borders.
To shorten the code, it is also possible to specify all the individual border properties in one property.
border property is a shorthand property for the following individual border properties:
border: 5px solid red;
You can also specify all the individual border properties for just one side:
border-left: 6px solid red;
border-bottom: 6px solid red;