This course has been updated! We now recommend you take the CSS In-Depth, v2 course.
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The "Border properties" Lesson is part of the full, CSS3 In-Depth course featured in this preview video. Here's what you'd learn in this lesson:
When declaring border properties, they follow the top-right-bottom-left shorthand rules. Unlike backgrounds, it’s acceptable to use the border shorthand syntax. Estelle experiments with different border-radius values.