This text has a border around it and you use the new border-radius style to achieve rounded corners.

文本周围有一个边界，您使用新的border - radius样式来实现4个圆角。

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Well, here is a post on the basics of the new properties: text-shadow, box-shadow, and border-radius.

这篇文章将对CSS的几个新属性(text - shadow, box - shadow, and border - radius)做基本介绍。

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The shorthand for border radius is similar to the padding and margin property (eg. border-radius: 20px).

边界半径 (border radius) 的写法类似内边距 (padding) 和 外边距 (margin) 属性（例如：border-radius:20px）。

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