Advanced - Create link box

Example analysis:

Use display:block; to convert the a element into a block element, and then set the width and height of the a element.

Use the font-weight property to set the font weight.

Use the color and background-color properties to set the font color and background color.

Use text-align:center; to center the text within the a element horizontally.

Use text-decoration; to remove the underline of the link.