Differences in screen fit between running and deployed application

### Issue type

**I'm submitting a ...** (check one with "x")

* [x] bug report
* [ ] feature request
* [ ] question about the decisions made in the repository

### Issue description

**Current behavior:**

Running application with ng serve --o, the screen behaves responsive way. Otherwise, in deploy way with Express after build prod, the screen behaves differently.

**Expected behavior:**

The behavior needs be the same.
**Steps to reproduce:**

Run application with ng serve --o and after that deploy it into server, in my case, Express, with build prod. We have two different result with the help of DevTools.
**Related code:**

```
insert short code snippets here
```server.js Content
const express = require('express');
const app = express();

const port = process.env.PORT || 8080;

app.use(express.static(__dirname + '/dist'));

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

app.listen(port, () => {
console.log('Servidor iniciado na porta ' + port);
})

### Other information:
Node v12.18.1, npm v6.14.5
OS: Windows (10).
Browser: Chrome

```

```

**Angular, Nebular**
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