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How to make background transparent and text opaque in css?

醉折花枝作酒筹
Release： 2023-01-05 16:10:11
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In CSS, you can use the rgba function to achieve transparent background and opaque text. You only need to set "rgba (value, value, value, value)" for the background of the element; where transparency (A) takes the value 0 Between ~1, it represents transparency. A value of 0 represents completely transparent, and a value of 1 represents completely opaque.

How to make background transparent and text opaque in css?

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

Use rgba in css3:

r: red, take a positive integer or percentage;
g: green, take a positive integer or percentage;
b: blue, take a positive Integer or percentage;
a:alpha, take a number between 0 and 1

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>css3的rgba</title>
<style>
*{
    padding: 0;
    margin: 0;
}
body{
    padding: 50px;
}
.mydemo{
    padding: 25px;  
    background-color: red;
    background-color:rgba(255,0,0,0.5);
}
.mydemo p{
    color: black;
}
</style>
</head>
<body>    
    <div class="mydemo">
        <p>myIp</p>     
    </div>
</html>
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How to make background transparent and text opaque in css?

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