Bootstrap methods to set the background color are: Inline method: set the CSS class directly through the style attribute: create the class and apply it to the element Bootstrap utility class: use the specified color class to customize the CSS variable: use the variable and Access the background gradient through --: Use the background-image attribute to create a gradient background image: Use the background-image attribute to set the image
Bootstrap sets the background color Method
1. Inline method
Use the style
attribute to set the background color directly in the element:
<div style="background-color: #ffffff;">内容</div>
2. CSS Classes
Create a CSS class with the desired background color and then apply it to the element:
.my-background { background-color: #ffffff; }
<div class="my-background">内容</div>
3. Bootstrap Utility Classes
Bootstrap provides a series of utility classes to set the background color, each class corresponds to a color:
.bg-primary
.bg-secondary
.bg-success
.bg-danger
.bg-warning
.bg-info
- ##.bg-light
- .bg-dark
<div class="bg-primary">内容</div>
4. Custom CSS variables
Use CSS variables to define the background color and pass- - Access variables:
:root { --my-background-color: #ffffff; }
<div style="background-color: var(--my-background-color);">内容</div>
5. Background gradient
Use thebackground-image property to create a background gradient:
.my-gradient { background-image: linear-gradient(to right, #ffffff, #000000); }
<div class="my-gradient">内容</div>
6. Background image
Use thebackground-image attribute to set the background image:
.my-image { background-image: url("image.jpg"); }
<div class="my-image">内容</div>
The above is the detailed content of How to set background color in bootstrap. For more information, please follow other related articles on the PHP Chinese website!

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