To run the test, or to see detailed, per character, results, click on the link in the left-most column. To see detailed results click on a row and look just above the table.
These tests check whether user agents correctly apply the property values defined in the CSS-logical-values spec. These are simple, user-oriented tests, designed to check basic functionality, rather than test all edge cases and implementation details.
Where the instructions tell you to look for red, the red should be clearly discernable behind the rest of the test – ignore any anti-aliasing 'glow'.