Hướng dẫn bootstrap background color

.bg-primary
.bg-secondary
.bg-success
.bg-danger
.bg-warning
.bg-info
.bg-light
.bg-dark
.bg-white
.bg-transparent

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Convey meaning through color with a handful of color utility classes. Includes support for styling links with hover states, too.

Color

.text-primary

.text-secondary

.text-success

.text-danger

.text-warning

.text-info

.text-light

.text-dark

.text-muted

.text-white

.text-primary

.text-secondary

.text-success

.text-danger

.text-warning

.text-info

.text-light

.text-dark

.text-muted

.text-white

  

Contextual text classes also work well on anchors with the provided hover and focus states. Note that the .text-white and .text-muted class has no link styling.

Primary link
Secondary link
Success link
Danger link
Warning link
Info link
Light link
Dark link
Muted link
White link

Background color

Similar to the contextual text color classes, easily set the background of an element to any contextual class. Anchor components will darken on hover, just like the text classes. Background utilities do not set color, so in some cases you’ll want to use .text-* utilities.

.bg-primary

.bg-secondary

.bg-success

.bg-danger

.bg-warning

.bg-info

.bg-light

.bg-dark

.bg-white

.bg-primary
.bg-secondary
.bg-success
.bg-danger
.bg-warning
.bg-info
.bg-light
.bg-dark
.bg-white

Background gradient

When $enable-gradients is set to true, you’ll be able to use .bg-gradient- utility classes. By default, $enable-gradients is disabled and the example below is intentionally broken. This is done for easier customization from the moment you start using Bootstrap. Learn about our Sass options to enable these classes and more.

.bg-gradient-primary

.bg-gradient-secondary

.bg-gradient-success

.bg-gradient-danger

.bg-gradient-warning

.bg-gradient-info

.bg-gradient-light

.bg-gradient-dark

.bg-gradient-primary
.bg-gradient-secondary
.bg-gradient-success
.bg-gradient-danger
.bg-gradient-warning
.bg-gradient-info
.bg-gradient-light
.bg-gradient-dark

Dealing with specificity

Sometimes contextual classes cannot be applied due to the specificity of another selector. In some cases, a sufficient workaround is to wrap your element’s content in a