HTML &amp; CSS

Position Sticky Not Working? How to Fix CSS Sticky

Debug sticky positioning by tracing scroll containers, inset values, ancestor overflow, and layout stretching, with a reliable sidebar example and inspection checklist.

REM vs EM: Why Relative CSS Units Still Matter

Build resilient typography and spacing with rem and em, convert design specs accurately, and test layouts that respect browser font preferences and zoom.

Migrate From Vanilla CSS to Tailwind: A Practical Plan

Migrate a component from vanilla CSS to Tailwind with a token map, predictable cascade boundaries, visual checks, and a rollout plan that limits regressions.

Marcus BellRead the article

CSS Grid auto-fit vs auto-fill: Wrapping Layouts

Understand auto-fit, auto-fill, and minmax with practical responsive Grid examples. Prevent narrow-container overflow and choose how empty tracks should behave.

Inside this article

Begin with the minimum useful track
Combine repeat with a bounded minimum
Understand what happens to empty tracks
Account for gaps and intrinsic content

CSS text-wrap: balance and pretty for Better Headlines

Improve awkward headline breaks and short paragraph endings with CSS text-wrap. Learn where balance and pretty help, how they differ and how to test safe fallbacks.

CSS Variables for Theming: A Custom Properties Guide

Build predictable CSS themes with inherited custom properties, scoped component values, safe JavaScript updates, and fallbacks that behave as intended.

Inline SVG vs img: Choosing How to Embed Icons

Choose between inline SVG, external SVG images, and data URLs by comparing styling access, reuse, naming, delivery boundaries, and practical icon requirements.

Marcus BellRead the article

System Font Stack in CSS: Reliable Native Typography

Use system fonts intentionally across operating systems. Learn how native font stacks affect visual tone, metrics, weights, numerals, and text wrapping.

Inside this article

Define what native typography should mean
Understand generic families and platform differences
Write a minimal stack before adding exceptions
Proof weights and mixed content

Flexbox Overflow Fix: min-width, flex-basis and Shrink

Debug overflowing flex layouts by understanding automatic minimum sizes, flex-basis, shrinking, and text wrapping, with focused fixes for common component failures.

Responsive Container Max-Width Across Breakpoints

Build responsive containers with clear width tokens, stable media ratios, and content-driven breakpoints, then test them against real layout failures.

CSS object-fit and aspect-ratio for Responsive Images

Build predictable image and video frames with CSS aspect-ratio, object-fit, and object-position. Handle cropping, intrinsic sizes, and flexible layout constraints.