Color code in URL

Hex color code is now part of url so palette can be shared.

Shade 50 Tailwind

Added shade 50 for Tailwindcss

Bootstrap 5.0 color shades

New shades are adjusted to Bootstrap 5.0 version.
Default color is 500 shade

CSS variables

Now come with CSS variables

Undefined color bug fix

Fixed bug when choosing black and gray color. No more undefined colors.