David Kadavy
David Kadavy is author of the #18 Amazon best-selling book, Design for Hackers: Reverse-Engineering Beauty, which has taught thousands of developers and programmers the fundamentals of good design for web and mobile. Check out White Hot Course, about the invisible structure of clean and clear design.
Tutorials
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    見えざる力:空白と形

  2. Pre 2

    見えざる力:サイズ、コントラスト、バランス