The modern way to draw squircles using corner-shape in CSS For years, we’ve faked “characterful” corners with SVG masks, pseudo-elements, and more than a few headaches. The problem? Border-radius only controls size, not shape.
https://www.amitmerchant.com/t....he-modern-way-to-dra

One CSS Trick to Eliminate Scrollbar Layout Shifts When a webpage’s content exceeds the viewport height, browsers typically introduce a vertical scrollbar. This can lead to layout shifts, especially when navigating between pages or toggling content visibility, as the presence or absence of the scrollbar alters the available width for content.
https://www.amitmerchant.com/o....ne-css-trick-to-elim

Equal things that don’t look equal https://www.johndcook.com/blog..../2025/11/27/hyperbol

A circle in the hyperbolic plane https://www.johndcook.com/blog..../2025/11/28/hyperbol

A triangle whose interior angles sum to zero https://www.johndcook.com/blog..../2025/11/28/tricusp-