 red]{\\sqrt[3]{x}} = \\binom{C}{k}`,
          },
          {
            pic: 'bbox-2.png',
            title: '<kbd>\\box</kbd> multiple arguments',
            latex: `\\frac1c + \\bbox[2em,yellow,border:solid 5px red]{\\sqrt[3]{x}} = \\binom{C}{k}`,
          },
        ],
        'Rules': [
          {
            title: 'Baseline Offset',
            class: 'fail',
            comment: [
              'The blue box is just below the baseline',
              'The green box is one em above the baseline