web-feature: Borders

Widely available

The border CSS property sets the color, style, and width of the line around an element.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-11

Servo

Android

2026-11

ArkWeb

HarmonyOS

*

Chrome Browser

Android

18

Safari Browser

iOS

3