How to write a rounded rectangle in css

Method: 1. Use the width and height attributes to set the element style to a rectangle, with the syntax "element {width: width value; height: height value;}". 2. Use the "border-radius" attribute to set the rounded corner style for the rectangular element, with the syntax "element {border-radius: rounded corner value;}".

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

How to write a rounded rectangle in css

In css, you can use the border-radius attribute to write a rounded rectangle style. This attribute You can set the rounded style for the four corners of an element.

The syntax is as follows:

border-radius: 1-4 length|% / 1-4 length|%;

The example is as follows:

Output result:

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