The New Features in Bootstrap

• jQuery Removed
• Switch to Vanilla JavaScript
• Responsive Font Sizes
  • Drop .font-size-sm, .font-size-base, .font-size-lg and .font-size-xl utilities
  • New .text-sm, .text-base, .text-lg and .text-xl utilities

  • .title {
      @include font-size(4rem);
    }

• Drop Internet Explorer 10 and 11 Support
• Change Gutter Width Unit of Measurement
  • gx-* classes control the horizontal/column gutter width
  • gy-* classes control the vertical/row gutter width
  • g-* classes control the horizontal & vertical gutter width
• Remove Card Decks
  • Currently have as well card decks as the grid system, but our grid offers more responsive control, so there's not really a reason to keep the decks.
• Navbar Optimization
  • Remove redundant display: inline-block from flex children
  • Remove line-height: inherit; which is the default value of line-height
  • Use flex shorthand
  • Improve background shorthand
  • Fix removed brand margin caused by requiring containers in navbars
• Custom SVG Icon Library
• Switching from Jekyll to Hugo
• Class Updates