In CSS, you can use the "#id" selector to select the specified HTML element object based on the id value, and add a new style code to the element object. The syntax is "#id value {css style code; }".
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
How to get an id value element in css and change the style
We can get a specified id value through the #id selector Element and change the style, the #id selector sets the style for the element with the specified id.
The example is as follows:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
#id1{
background-color:yellow;
}
#id2{
background-color:green;
}
</style>
</head>
<body>
<p id="id1">argargargaegaeg</p>
<p id="id2">agrwargarwgarg</p>
</body>
</html>Output result:
(Learning video sharing: css video tutorial)
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