- changed /* comments to // (to avoid displaying in compiled css file)
- added .alert-primary
- removed _label.scss (due renamed to badge with BS4)
- reworked bg-*, bg-gradient-*, custom-switch-*, custom-range-* as mixin
- changed control-sidebar-light border color to main-header border
- renamed `.direct-chat-info` to `.direct-chat-infos` (not theme color, its a extra block inside direct-chat & updated demo files
- enhanced direct-chat with all colors
- added `.dropdown-menu-xl`
- reworked color-palette in pages/UI/general
- changed `Block Quotes Pulled Right` to `Secondary Block Quotes` in pages/UI/general
- removed `@-webkit-keyframes flipInX` due autoprefixer
- enhanced demo.js with additional colors for sidebar & renamed `Navbar border` to `No Navbar border`