Loading screen "Crystal"

New beautiful loading screen with full sources. Written in pure JS, without the use of frameworks.
code got better

Content:
*Content:
*Convenient config, you can delete and add contacts in one line. Just filling in the information.
*Video in the background, you can change it in the config.
*We can put music from a stream or your own from a folder.
*Multiple music or radio
*Music switch and volume control.
*Loading bar, fills up as it loads.
*Preview animation your logo.
*Nice animation of blocks when opening and closing.

here load screen: https://sergey-lucky.tebex.io/

demo: