不能正常显示after的content的值。。本来是要做多行的,结果content不显示。不知道是什么原因,请指教
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
*{margin:0; padding:0;}
#projectDescribe::-webkit-input-placeholder{
color:red;
}
#projectDescribe::-webkit-input-placeholder:after{
display: block;
content: "22222";
color:green;
}
</style>
</head>
<body>
<textarea id="projectDescribe" rows="5" required name="describe" autocomplete="off" placeholder="123123"></textarea>
</body>
</html>