This test the specificity of :nth-last-child() with dynamic specificity. If the test pass, the style of each line should match its text description.

White text on red background with a purple border. Black text on white background. White text on green background with a purple border. Red text on green background. White text on red background with a purple border. Black text on white background with a blue border. White text on red background with a purple border. Red text on green background with a blue border.