CSS rounded corners generation

1. This tool allows you to visually adjust the rounded corners of a div and generates the corresponding CSS code.

2. The parameter values for the CSS rounded corner effects generated by this tool are in pixels (px).

3. You can also adjust the height and width of the effect area; different widths and heights combined with different corner radii will produce different effects.

4. CSS with the "-webkit-" prefix is intended for WebKit-based browsers, while CSS with the "-moz-" prefix is intended for Mozilla-based browsers.

5. With the advancement of modern browsers, the '-webkit-' and '-moz-' prefixes are no longer mandatory.