Visual CSS / devs tools
CSS Border and Radius Editor
Configure physical and logical borders, styles, colors, and per-corner radii for responsive components.
Opening the editor…
What it covers
Build with confidence, not guesswork
The editor keeps visual settings, states, responsive overrides, implementation notes, and checks in one portable project.
- Per-side borders
- Logical properties
- Per-corner radii
- Eight border styles
Output
CSS · WordPress
Glossary
Plain-language explanations
- Preview（プレビュー）
- A live rendering of the current settings.
- State（ステート）
- A condition such as hover, keyboard focus, active, or disabled.
- Responsive（レスポンシブ）
- Layout and styling that adapt to screen or container size.
- Reduced motion（動きを減らす設定）
- An operating-system preference that asks websites to reduce non-essential animation.