How to add background image to bootstrap

How to add a background image in Bootstrap? Use the CSS property background-image and specify the image path and custom size and position, then apply it to the HTML element.

Add a background image in Bootstrap

Adding a background image in the Bootstrap framework is very easy, just usebackground-image CSS properties are enough.

Method:

1. Define the background image

In your CSS file, use the following syntax to define the background image :

.element {
  background-image: url(image.jpg);
}

Where:

• .element: Selector for the element to which the background image is to be applied.
• url(image.jpg): The path to the background image file.

2. Specify image size and position

By default, the background image will fill the entire element. You can customize the size and position of the image using the background-size and background-position properties:

.element {
  background-image: url(image.jpg);
  background-size: contain;  
  background-position: center;
}

• background-size: contain: Scale the image to fit the element while maintaining the aspect ratio.
• background-position: center: Center the image within the element.

3. Apply to Elements

Apply these CSS rules to the HTML element where you wish to add a background image, for example:

<div class="element"></div>

Alternative method:

1. Use Bootstrap’s built-in classes

Bootstrap provides the bg-* class, which can be quickly Apply a specific background color. For example, to add a blue background, you would use the following code:

<div class="bg-primary"></div>

2. Using CSS gradients

CSS gradients can create more complex background effects. To use gradients, use the background attribute:

.element {
  background: linear-gradient(to right, #000000, #ffffff);
}

Above are a few ways to add background images and effects in Bootstrap via CSS.

The above is the detailed content of How to add background image to bootstrap. For more information, please follow other related articles on the PHP Chinese website!