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This article introduces the relevant knowledge of "how to write a rounded rectangle by css". Many people will encounter such a dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

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

The operating environment of this tutorial: windows7 system, CSS3&&HTML5 version, Dell G3 computer.

How to write a rounded rectangle by css

In css, you can use the border-radius attribute to write the rounded rectangle style, which sets the fillet style for the four corners of the element.

The syntax is as follows:

Border-radius: 1-4 length |% / 1-4 length |%

Examples are as follows:

Div {width:200px; height:100px; border:1px solid black; border-radius:20px;}

Output result:

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