Не могу подключить стили когда работаю с node js

const path = require('path');
const express = require('express');

const app = express();
const server = require("http").createServer(app);
const io = require("socket.io").listen(server);

app.use(express.static(`${__dirname}/src`));

app.get("/", (req, res) => { 
    res.sendFile(__dirname + "/index.html");
});

server.listen(3000, () => {
    console.log('Server started!');
});