Home >Web Front-end >Bootstrap Tutorial >How do I use Bootstrap's Icons library?
Bootstrap Icons is a free, high-quality icon library that you can easily integrate into your web projects. To use Bootstrap Icons, follow these general steps:
Include the Icons: If you're using the CDN, include the following line in the section of your HTML file:
<code class="html"><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.3/font/bootstrap-icons.css"></code>
Use the Icons: Once the CSS file is included, you can use the icons in your HTML like this:
<code class="html"><i class="bi bi-alarm"></i></code>
Replace bi-alarm
with the name of the icon you want to use. The bi
class is the base class for all Bootstrap Icons.
To integrate Bootstrap Icons into your project, follow these detailed steps:
Download or CDN:
CDN: If you prefer a CDN, add the following line to the section of your HTML:
<code class="html"><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.3/font/bootstrap-icons.css"></code>
Include Icons in Your HTML:
If you downloaded the icons, link to the CSS file in your HTML:
<code class="html"><link rel="stylesheet" href="path/to/bootstrap-icons.css"></code>
Use the icons in your HTML by adding the appropriate class:
<code class="html"><i class="bi bi-icon-name"></i></code>
Replace icon-name
with the name of the icon you want to use.
Yes, you can customize the size and color of Bootstrap Icons using CSS. Here's how:
Size Customization:
Using Font Size: Since Bootstrap Icons are treated as fonts, you can change their size using the font-size
property:
<code class="html"><i class="bi bi-alarm" style="font-size: 2em;"></i></code>
Using CSS Classes: You can define CSS classes to set different sizes:
<code class="css">.icon-large { font-size: 2em; } .icon-small { font-size: 0.8em; }</code>
Then use them in your HTML:
<code class="html"><i class="bi bi-alarm icon-large"></i> <i class="bi bi-alarm icon-small"></i></code>
Color Customization:
Using Inline Styles: You can change the color using the color
property:
<code class="html"><i class="bi bi-alarm" style="color: #ff0000;"></i></code>
Using CSS Classes: Define CSS classes for different colors:
<code class="css">.icon-red { color: #ff0000; } .icon-blue { color: #0000ff; }</code>
Then apply them in your HTML:
<code class="html"><i class="bi bi-alarm icon-red"></i> <i class="bi bi-alarm icon-blue"></i></code>
To ensure your Bootstrap Icons are accessible, follow these best practices:
Use Appropriate Labels:
Always include descriptive text or aria labels to provide context for screen readers. If the icon is used as a standalone element, use aria-label
:
<code class="html"><i class="bi bi-search" aria-label="Search"></i></code>
If the icon is used next to text, ensure the text itself is descriptive enough.
Provide Text Alternatives:
If an icon is used as the only content of a link, ensure there's a text alternative:
<code class="html"><a href="#" aria-label="Go to homepage"> <i class="bi bi-house"></i> </a></code>
Ensure Focusability:
If icons are used as interactive elements (e.g., buttons), ensure they are focusable and operable by keyboard:
<code class="html"><button> <i class="bi bi-play" aria-label="Play"></i> </button></code>
Use Semantic HTML:
Use appropriate HTML elements to provide context. For example, use <button></button>
for clickable icons:
<code class="html"><button type="button" aria-label="Close"> <i class="bi bi-x"></i> </button></code>
By following these guidelines, you can ensure that your Bootstrap Icons are accessible to all users, including those using assistive technologies.
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