Home Web Front-end CSS Tutorial Analysis of the difference between using rgba and opacity to set transparency in css

Analysis of the difference between using rgba and opacity to set transparency in css

Jun 14, 2018 pm 04:21 PM

This article mainly introduces two methods of setting transparency using rgba and opacity in css, and explains the difference between the two through example demonstrations. Friends in need can refer to

1 .Use rgba to set the background color to be transparent

The effect is as follows:

<body>
    <p id="box">
        你好啊!
    </p>
</body>
body {
    background-color:red;
}
#box{
    width:200px;
    height:200px;
    margin:100px auto;
    text-align:center;
    line-height:200px;
    color:white;
    background-color:rgba(182,255,0,.5);
}
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2. Use opacity to set the background color to be transparent

#box{
    width:200px;
    height:200px;
    margin:100px auto;
    text-align:center;
    line-height:200px;
    color:white;
    background-color:rgb(182,255,0);
    opacity:0.5;
}
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Summary: Passed Comparing the effects in 2, we found that opacity will also affect the transparency of the font

The above is the difference and detailed explanation between the two, I hope it will be helpful to everyone~~

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