CSS Property border-radius
The border-radius property is a shorthand property for setting
the border radius properties in four corners.
We can use border-radius to create round corners.
Summary
| Item | Value |
|---|---|
| Initial value | 0 |
| Inherited | no. |
| Version | CSS3 |
| JavaScript syntax | object.style.borderRadius="5px" |
CSS Syntax
border-radius:length|% length|% length|% length|% /
length|% length|% length|% length|%
We can provide one to four values.
border-radius:2em;
is equivalent to:
border-top-left-radius:2em; border-top-right-radius:2em; border-bottom-right-radius:2em; border-bottom-left-radius:2em;
border-radius: 2em 1em 3em / 0.4em 3em;
is equivalent to:
border-top-left-radius: 2em 0.4em; border-top-right-radius: 1em 3em; border-bottom-right-radius: 3em 0.4em; border-bottom-left-radius: 1em 3em;
Property Values
The property values are listed in the following table.
| Value | Description |
|---|---|
| length | set the length for radius |
| % | set percentage size for radius |
Browser compatibility
 |
 |
 |
 |
 |
|
|---|---|---|---|---|---|
border-radius |
Yes | 9.0 | Yes | Yes | Yes |
Example
An example showing how to use border-radius CSS property.
<!DOCTYPE html>
<html>
<head>
<style>
div<!-- ww w .j a v a 2 s . c o m-->
{
border:2px solid red;
padding:10px 40px;
background:#eee;
width:300px;
border-radius:25px;
}
</style>
</head>
<body>
<div>Rounded corners.</div>
</body>
</html>