css:
/*id selector*/
#stress{
color:red;
}
html:
<!doctype html>
<html>
<head>
<!--id selector-- >
<meta http-equiv="content-Type"content="text/html;charset="UTF-8">
<title>id selector< ;/title>
<link rel="stylesheet" href="word.css" type="text/css">
</head>
<body>
<p>When I was in the third grade, I was a little girl who was <span id="stress">as timid as a mouse</span>. I never dared to answer the teacher in class. Questions raised.</p>
</body>
</html>
##
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
<meta http-equiv="content-Type"content="text/html;charset="UTF-8">
Try removing the quotes before UTF-8
<meta http-equiv="content-Type" content="text/html;charset=UTF-8" />
Is the path of the external css style written wrong?