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How to draw a triangle using css

王林

Release： 2020-08-26 16:17:18

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First let’s take a look at the renderings:

(Video tutorial recommendation: css video tutorial)

How to draw a triangle using css

Implementation code:

<!DOCTYPE html>
<html>
<head>
    <title></title>
    <style type="text/css">
        /* css3绘制三角形 */
        .triangle{
            width: 0px;                           /*设置宽高为0，所以div的内容为空，从才能形成三角形尖角*/
            height: 0px;
            border-bottom: 200px solid #00a3af;
            border-left: 200px solid transparent;    /*transparent 表示透明*/
            border-right: 200px solid transparent;
        }
    </style>
</head>
<body>
    <div class="triangle"></div>
</body>
</html>

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For those who still don’t understand, you can read the following

1. Set the div to have a certain width and height, and set borders on the four sides

.triangle{
	width: 50px;
	height: 50px;
	border-top: 200px solid #00a497;
	border-bottom: 200px solid #cc7eb1;
	border-left: 200px solid #165e83;
	border-right: 200px solid #c85179;
}

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The above code sets the div to have a certain width and height. When setting borders on four sides, the effect is as follows:

How to draw a triangle using css

2. Set the div width and height to 0, and set the border width on all four sides to 200px

.triangle{
   width: 0px;
   height: 0px;
   border-top: 200px solid #00a497;
   border-bottom: 200px solid #cc7eb1;
   border-left: 200px solid #165e83;
   border-right: 200px solid #c85179;
}

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The above code sets the div width When the height is 0 and the four borders are set to different colors, the effect is as follows:

How to draw a triangle using css

(recommended related tutorials: CSS tutorial)

3 , then the div width and height are still 0, remove border-top

.triangle{
   width: 0px;
   height: 0px;
   border-bottom: 200px solid #cc7eb1;
   border-left: 200px solid #165e83;
   border-right: 200px solid #c85179;
}

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The above code sets the div width and height to 0, and only sets the bottom border and left and right borders, the effect is as follows:

How to draw a triangle using css

4. Finally, we found that by setting the color of border-bottom and making the left and right borders transparent, we can get a triangle

.triangle{
	width: 0px;
	height: 0px;
	border-bottom: 200px solid #cc7eb1;
    border-left: 200px solid transparent;
    border-right: 200px solid transparent;
}

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Final effect:

How to draw a triangle using css

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