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An example of how to create transparent triangles using the new content of CSS3

巴扎黑

Aug 11, 2017 pm 01:59 PM

csscss3

This article shares an example of using CSS3 to make a triangle. Interested friends can refer to it.

Let’s take a look at the effect first. Before CSS3, this was completely unimaginable. Only pictures could do it. But today, when HTML5 and CSS3 are so popular, it is not a problem to achieve this effect.

Look at the implemented code:

<!DOCTYPE html>
<html>
<head>
<style type=&#39;text/css&#39;>

/* 上三角 */
.arrow-up {
 width: 0;
 height: 0;
 border-left: 20px solid transparent;
 border-right: 20px solid transparent;
 border-bottom: 20px solid green;
}

/* 下三角 */
.arrow-down {
 width: 0;
 height: 0;
 border-left: 20px solid transparent;
 border-right: 20px solid transparent;
 border-top: 20px solid orange;
}

/* 右三角 */
.arrow-right {
 width: 0;
 height: 0;
 border-top: 60px solid transparent;
 border-bottom: 60px solid transparent;
 border-left: 60px solid blue;
}

/* 左三角 */
.arrow-left {
 width: 0;
 height: 0;
 border-top: 10px solid transparent;
 border-bottom: 10px solid transparent;
 border-right: 10px solid silver;
}
</style>
</head>
<body>
 <p class="arrow-up"></p>
 <p class="arrow-down"></p>
 <p class="arrow-left"></p>
 <p class="arrow-right"></p>
</body>
</html>

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