CSS基本选择器的优先级

<html>
<head>

<title>HTML示例</title>
<style type="text/css">

div{
background-color:yellow;
}
.first{
background-color:green;
}
#second{
background-color:purple;
}

</style>

</head>

<body>
<div>cccccccccccc</div>
<div id="second" class="first" style="background:red;" >aaaaaaaaa</div>
<div>bbbbbbbbbbbbbbbb</div>

</body>

</html>

posted @ 2020-09-26 15:14  一玎  阅读(174)  评论(0)    收藏  举报