# a drop-shadow in an iframe causes the content to not render --- root: items: - type: "stacking-context" items: - type: iframe id: [1, 2] bounds: [0, 148, 1920, 1606] clip-rect: [0, 148, 1920, 1606] pipelines: - id: [1, 2] items: - type: "stacking-context" items: - type: "rect" color: [255, 0, 0, 1] bounds: [387, 12, 34, 38] clip-rect: [386, 11, 36, 40] - type: "stacking-context" filters: drop-shadow([0, 4], 2, [0, 0, 0, 0.3294117748737335]) items: - type: "rect" color: [255, 0, 0, 1] bounds: [345, 12, 34, 38] clip-rect: [344, 11, 36, 40]