Bootstrap v4.0.0-beta.2
发布了，Bootstrap是快速开发Web应用程序的前端工具包。它是一个CSS和HTML的集合，它使用了最新的浏览器技术，给你的Web开发提供了时尚的版式，表单，buttons，表格，网格系统等等。
此次更新的亮点有：
- Improved Sass map customization with #23260. With this change, it's now
possible to override specific key value pairs instead of resetting the entire
map, ideal for color scheme customization.
- Restored grid .offset- modifiers in #23445. Originally our intent was to
supplement this with our margin utilities, but we underestimated the appeal of
fixed number column offsets.
- Remove unnecessary color from .badge, and it's associated $badge-color
variable, in #23529.
- Rename grayscale function to gray to avoid breaking CSS native grayscale
filter in #23579.
- Renamed .table-inverse, .thead-inverse, and .thead-default to .*-dark and
.*-light, matching our color schemes used elsewhere in #23560.
- Responsive tables now generate classes for each grid breakpoint, meaning
we've added .table-responsive-{sm,md,lg,xl} to the already present
.table-responsive. You might need to adjust your usage depending on when you
want a table to resize. See #22804.
- Include two new dist files which contain Popper.js inside
bootstrap.bundle.js and bootstrap.bundle.min.js. See #23735.
- Dropped support for Bower as they've deprecated the package manager. See
#23568.
- Switched breadcrumbs from float to flexbox in #23683.
- Added new CSS variables in #23761.
- Switched to Stylelint in #23572.
- New Theming page in the docs from #23611
- #23943: Changed the color-yiq from a mixin that included the color property
to a function that returns a value, allowing you to use it for any CSS property.
For example, instead of color-yiq(#000), you'd write color:
color-yiq(#000);.
- New and improved theming in #24429.
完整内容请查看。
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