Answer:
CSS documentation
Explanation:
Use this CSS reference to browse an alphabetical index of all the standard CSS properties, pseudo-classes, pseudo-elements, data types, and at-rules. You can also browse a list of all the CSS selectors organized by type and a list of key CSS concepts. Also included is a brief DOM-CSS / CSSOM reference.
Locatiopn: https://devdocs.io/css/
The properties that Andy must add to his code to accomplish his goal is (B), border-collapse: separate.
What is border-collapse?The border-collapse property in CSS determines how the borders of table cells are collapsed. The default value of border-collapse is collapse, which means that the borders of adjacent cells are merged together. To make the borders of the cells in Andy's table distinctly visible, he needs to set the border-collapse property to separate.
The other possible answers are incorrect. The border-spacing property determines the amount of space between the borders of adjacent cells. The border-spacing: initial value sets the border spacing to the default value, which is 0 pixels.
Find out more on CSS properties here: https://brainly.com/question/14918146
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