我有一个app.js文件，其中包含视图/部分视图和公共文件夹，其中保存了我的静态资产。当我运行服务器时，我的主要css文件不适用，但是我在同一公用文件夹中还有另外2个css似乎生效
Here is my header
<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" />
<link rel="stylesheet" href="/css/style.css" />
<link
rel="stylesheet"
media="screen and (max-width: 768px)"
href="/css/mobile.css"
/>
<link
rel="stylesheet"
media="screen and (min-width: 1100px)"
href="/css/widescreen.css"
/>
<link
rel="stylesheet"
href="https://use.fontawesome.com/releases/v5.8.1/css/all.css"
integrity="sha384-
50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf"
crossorigin="anonymous"
/>
app.use(express.static(path.join(__dirname, "/public")));