Why Doesn\'t My Border-Radius Work in IE9?

Border Radius Issues in IE9

Despite the widespread availability of border radius in modern browsers, users may encounter problems when attempting to implement it in IE9. One common issue is the failure of the browser to apply rounded corners to the specified elements.

To understand this problem, it's essential to acknowledge that IE9 supports border radius; however, it requires additional configurations. By default, the browser doesn't recognize the CSS properties for border-radius and its variants. To enable these features, the following meta tag must be added to the page header:

<meta http-equiv="X-UA-Compatible" content="IE=edge">

The "edge" value instructs IE to use the latest rendering engine available. For IE9, it means using the native border-radius support. By implementing this meta tag, developers can ensure that border radius is applied to elements as intended.

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