bootstrap 4.2.1

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web. http://getbootstrap.com

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Versions:

5.3.8 January 11, 2026 (166 KB)
5.3.7 January 11, 2026 (166 KB)
5.3.6 January 11, 2026 (166 KB)
5.3.5 April 20, 2025 (166 KB)
5.3.4 April 20, 2025 (166 KB)
4.2.1 December 25, 2018 (126 KB)

Show all versions (55 total)

Runtime Dependencies (3):

autoprefixer-rails >= 9.1.0

popper_js < 2, >= 1.14.3

sassc-rails >= 2.0.0

Development Dependencies (12):

actionpack >= 4.1.5

activesupport >= 4.1.5

capybara >= 2.6.0

jquery-rails >= 3.1.0

json >= 1.8.1

minitest ~> 5.8.0

minitest-reporters ~> 1.0.5

poltergeist >= 0

slim-rails >= 0

sprockets-rails >= 2.3.2

term-ansicolor >= 0

uglifier >= 0

Show all transitive dependencies

Owners:

Authors:

Twitter, Inc.

bootstrap 4.2.1

Gemfile:
=

install:
=

Versions:

Runtime Dependencies (3):

Development Dependencies (12):

Owners:

Authors:

SHA 256 checksum:

Total downloads 28,770,801

For this version 351,808

Version Released:
December 25, 2018 10:55am

License:
MIT

Required Ruby Version: >= 2.3.3

Links:

bootstrap 4.2.1

Gemfile: =

install: =

Versions:

Runtime Dependencies (3):

Development Dependencies (12):

Owners:

Authors:

SHA 256 checksum:

Total downloads 28,770,801

For this version 351,808

Version Released: December 25, 2018 10:55am

License: MIT

Required Ruby Version: >= 2.3.3

Links:

Gemfile:
=

install:
=

Version Released:
December 25, 2018 10:55am

License:
MIT