This code snippet is defining the styles for anchor elements that have not been visited by the user (a:link). Explanation of the styles applied: 1. font-weight: bold; - Sets the text within the anchor element to appear in bold font style. 2. text-decoration: underline; - Adds an underline to the text within the anchor element. 3. color: #06c; - Sets the color of the text within the anchor element to a shade of blue (#06c). Overall, these styles will make the anchor elements stand out by making the text bold, underlined, and colored in a shade of blue when the link has not been visited.