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zou haoyu
3,494 Pointsbox model
Currently, the width of the div with the class 'main' is set to 400px, but the padding applied is adding an extra 40 pixels to its total width. Add a property that forces the padding into the width of the div.
1 Answer

Colin Marshall
32,861 PointsHint: you need to set the box-sizing of .main

zou haoyu
3,494 Pointsthank you
zou haoyu
3,494 Pointszou haoyu
3,494 Pointsplease tell how to take this challenge.i can't solve it.thank you