css opacity property
Translation results：
UK [əʊˈpæsəti] US [oʊˈpæsəti]
n.Opacity; puzzling; difficult to understand; vague
Plural: opacities
css opacity propertysyntax
Function:Set the opacity level of the element.
Syntax: opacity: value|inherit;
Description: value Specifies opacity. From 0.0 (fully transparent) to 1.0 (fully opaque). inherit should inherit the value of the opacity attribute from the parent element.
Note: IE8 and earlier versions support alternative filter attributes. For example: filter:Alpha(opacity=50).
css opacity propertyexample
<!DOCTYPE html>
<html>
<head>
<style>
div
{
background-color:red;
opacity:0.5;
filter:Alpha(opacity=50); /* IE8 以及更早的浏览器 */
}
</style>
</head>
<body>
<div>本元素的不透明度是 0.5。请注意，文本和背景色都受到不透明级别的影响。</div>
</body>
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