Problems with responsive design in production

### 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
Responsive design issues when building build with build prod

**Current behavior:**

When I run the build prod command and put the contents of the dist folder on my apache server, the responsive layout doesn't work.

Deploy on server apache

**Expected behavior:**

In development on localhost with ng serve it works perfectly

Localhost

**Steps to reproduce:**

**Related code:**

```
insert short code snippets here
```

### Other information:

**npm, node, OS, Browser**
```

```

**Angular, Nebular**
```

```