In css, you can use the "linear-gradient()" and "rgba()" functions to set the image transparency so that the image gradually disappears. The syntax is "linear-gradient(direction,rgba(255,255,255,1), rgba(255,255,255,0));”.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
How to set the transparency of the image in css to make the image gradually disappear
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>123</title>
<style>
.div1 {
box-sizing: border-box;
width: 400px;
height: 320px;
font-size: 22px;
padding-top: 100px;
overflow: hidden;
background: no-repeat center top / 100% 100%;
background-image: linear-gradient(to top, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0)), url(1118.02.png)
}
</style>
<div class="div1">设置透明度渐变效果的图片</div>
</body>
</html>Output result:
(Learning video sharing: css video tutorial)
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