Why Are My Font Awesome Icons Showing as Squares in Bootstrap?

Fixing Font Awesome Icon Squares

When working with Bootstrap and Font Awesome, you may encounter an issue where Font Awesome icons appear as squares instead of their intended shapes. Here's a step-by-step solution to resolve this problem:

1. Ensure Correct Class Syntax

To use Font Awesome icons correctly, you must include two classes:

• The fa class, which indicates that you are using a Font Awesome icon.
• The class that identifies the specific icon you want to use, such as fa-twitter or fa-search.

Incorrect:

<i class="fa-search"></i>

Correct:

<i class="fa fa-search"></i>

2. Upgrade to Bootstrap 5 (Optional)

If you are using Bootstrap 5, you need to be aware of a change in the Font Awesome class syntax. The fa prefix is now deprecated, and you should use the following class structures instead:

• For solid icons: fas fa-icon-name
• For brand icons: fab fa-icon-name

By following these steps, you can ensure that Font Awesome icons render correctly in your Bootstrap application.

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