webUI looks weird

After I had finish installed Librenms I had normal login screen, but after log I have very weird screen.
Please look screenshot https://snag.gy/dJSf1B.jpg

./validate.php

Component Version
LibreNMS 1.49-99-g74dbc4324
DB Schema 2019_02_10_220000_add_dates_to_fdb (132)
PHP 7.3.3-1+0~20190307202245.32+stretch~1.gbp32ebb2
MySQL 10.1.37-MariaDB-0+deb9u1
RRDTool 1.6.0
SNMP NET-SNMP 5.7.3

====================================

[OK] Composer Version: 1.8.4
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct
[WARN] You have not added any devices yet.
[FIX]:
You can add a device in the webui or with ./addhost.php
[WARN] Your local git contains modified files, this could prevent automatic updates.
[FIX]:
You can fix this with ./scripts/github-remove
Modified Files:
.codeclimate.yml
.editorconfig
.env.dusk.testing
.env.example
.github/ISSUE_TEMPLATE.md
.github/ISSUE_TEMPLATE/New-Device.md
.github/PULL_REQUEST_TEMPLATE.md
.github/ci-reporter.yml
.github/label-actions.yml
.github/lock.yml
.github/no-response.yml
.github/stale.yml
.gitignore
.mention-bot
.scrutinizer.yml
and 9259 moreā€¦