In this lesson, you learned about an important limitation of the default box model: box dimensions are affected by border thickness and padding.

Let’s review what you learned:

1. In the default box model, box dimensions are affected by border thickness and padding.
2. The box-sizing property controls the box model used by the browser.
3. The default value of the box-sizing property is content-box.
4. The value for the new box model is border-box.
5. The border-box model is not affected by border thickness or padding.