4 内边距(pading)外边距(margin) m - for classes 代表 margin p - for classes 代表 padding t - for classes that set margin-top or padding-top b - for classes that set margin-bottom or padding-bottom l - for classes that set margin-left or padding-left r - for classes that set margi...
4 内边距(pading)外边距(margin) m - for classes 代表 margin p - for classes 代表 padding t - for classes that set margin-top or padding-top b - for classes that set margin-bottom or padding-bottom l - for classes that set margin-left or padding-left r - for classes that set margi...
0- 设置边距为0:for classes that eliminate the margin or padding by setting it to 0 1- (by default) 设置the margin or padding to $spacer * .25 2- (by default) 设置the margin or padding to $spacer * .5 3- (by default) 设置the margin or padding to $spacer 4- (by default) 设置...
These classes increase the left margin of a column by * columns. For example, .col-md-offset-4 moves .col-md-4 over four columns. .col-md-4 .col-md-4 .col-md-offset-4 .col-md-3 .col-md-offset-3 .col-md-3 .col-md-offset-3 .col-md-6 .col-md-offset-3 .col-md-4 ...
Many of Bootstrap’s components are built with a base-modifier class approach. This means the bulk of the styling is contained to a base class (e.g.,.btn) while style variations are confined to modifier classes (e.g.,.btn-danger). These modifier classes are built from the$theme-colors...
It's never been easier to add, remove, or modify any utility classes. Make utilities responsive, add pseudo-class variants, and give them custom names. Quickly customize components Apply any of our included utility classes to our components to customize their appearance, like the navigation ...
Enhanced the card image description of the .card-img-* classes. Mentioned shift-color() function in the Sass customization page among tint-color() and shade-color(). Added missing type="button" attribute to the Cheatsheet examples navigation buttons. Updated the colors table in the customization...
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This list highlights key changes by component between v3.x.x and v4.0.0. Reboot New to Bootstrap 4 is the Reboot, a new stylesheet that builds on Normalize with our own somewhat opinionated reset styles. Selectors appearing in this file only use elements—there are no classes here. This ...
It's never been easier to add, remove, or modify any utility classes. Make utilities responsive, add pseudo-class variants, and give them custom names. Quickly customize components Apply any of our included utility classes to our components to customize their appearance, like the navigation ...