Learn how to solve responsive design problems that were difficult to handle with media queries by using container queries. Let’s create truly reusable components by applying styles based on the size of the parent element, not the viewport.

Why a 0.5px border appears on some devices but not on others. Understanding Device Pixel Ratio (DPR) makes it clear.

Learn how to solve number alignment, automatic fraction conversion, and distinguishing 0 from O with CSS font-variant-numeric property!

Learn what OKLCH is, how it overcomes the limitations of traditional RGB and HSL, and how it can be utilized in web design.