marks = [
Plot.ruleY([0]),
Plot.rectY(values, Plot.binX({ y: "count" }, { fill: "#000" })),
Plot.rectX(
values,
Plot.pointerX({
...Plot.binX({ y: "count" }, { fill: "#000", fillOpacity: 0.1 }),
y: null
})
),
Plot.rectY(values, Plot.pointerX(Plot.binX({ y: "count" }, { fill: "#888" })))
]