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D3 methods can add styles to the bar labels. The fill attribute sets the color of the text for a text node. The style() method sets CSS rules for other styles, such as font-family or font-size.
Set the font-size of the text elements to 25px, and the color of the text to red.
Waiting: The labels should all have a fill color of red. Waiting: The labels should all have a font-size of 25 pixels.