This tool is part of these guided projects. Each project provides step-by-step instructions with checklists and all the tools you need in one place.
Tools you might need next
Generate CSS gradient code. Linear and radial. Copy-paste ready. With preview. Free design tool with instant browser-based results — no account, works on
Generate CSS box-shadow. Offset, blur, spread, color. Visual editor with preview. Free design tool with instant browser-based results — no account, works on
Generate border-radius. Per corner. Visual editor. For rounded corners. Free design tool with instant browser-based results — no account, works on desktop and
The outline property draws a line outside the element border. Unlike border, outline does not affect layout or box model dimensions. It supports width, style, color, and offset.
outline: [width] [style] [color]; outline-offset: [value]Outlines are critical for keyboard navigation. WCAG 2.4.7 requires visible focus indicators. Custom outlines should maintain 3:1 contrast ratio against adjacent colors.
Updated: July 2026
Replace browser default focus outline with a branded 3px solid outline with offset for better visibility.
→ outline: 3px solid #2563eb; outline-offset: 2px
Add red outline to all elements for debugging layout without affecting spacing.
→ outline: 1px solid red
Never use outline: none without adding a visible :focus-visible style. This breaks keyboard accessibility and fails WCAG 2.4.7.
Outline does not take up space or affect layout. It can overlap adjacent elements. Use border when you need the element to reserve space for the line.
Generate CSS outline styles with color, width, and offset controls. Visualize focus rings and element outlines with live preview and copy-ready code. It applies the css outline property (outline: [width] [style] [color]; outline-offset: [value]). For example: custom focus ring for buttons — Replace browser default focus outline with a branded 3px solid outline with offset for better visibility.