Blazor Server 8 Advanced Navigation Font Awesome icons oversized

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04-10-2024

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Tackling Oversized Font Awesome Icons in Blazor Server 8 Navigation

Are your Font Awesome icons looking gigantic in your Blazor Server 8 navigation menu? This common issue arises when the default font size for icons doesn't align with the styling of your navigation bar.

Let's dive into the problem and explore practical solutions to achieve the perfect icon size in your Blazor navigation.

The Problem

Blazor Server 8 uses the NavMenu component to render a navigation menu. By default, Font Awesome icons used within the NavMenu inherit the same font size as the text within the navigation items. This often results in icons that appear overly large compared to the text.

Here's a snippet of typical Blazor code showcasing the problem:

@page "/"

<div class="top-row px-4">
    <a href="" class="navbar-brand">Blazor App</a>
    <button class="navbar-toggler" @onclick="ToggleNavMenu">
        <span class="navbar-toggler-icon"></span>
    </button>
</div>

<div class="@(NavMenuOpen ? "nav-menu show" : "nav-menu")">
    <ul class="nav flex-column">
        <li class="nav-item px-3">
            <NavLink class="nav-link" href="/">
                <span class="oi oi-home" aria-hidden="true"></span> Home
            </NavLink>
        </li>
        <li class="nav-item px-3">
            <NavLink class="nav-link" href="/counter">
                <span class="oi oi-plus" aria-hidden="true"></span> Counter
            </NavLink>
        </li>
        <li class="nav-item px-3">
            <NavLink class="nav-link" href="/fetchdata">
                <span class="oi oi-list-rich" aria-hidden="true"></span> Fetch data
            </NavLink>
        </li>
    </ul>
</div>

In this code, the Font Awesome icons (using the oi class) inherit the default font size of the navigation menu.

Solutions

Here are three effective solutions to address oversized icons in your Blazor Server 8 navigation:

1. CSS Styling: The simplest approach is to directly style the Font Awesome icons within the NavMenu component. Add a specific CSS class to your icons and target it with a smaller font size.

   .nav-menu .oi {
       font-size: 1rem; /* Adjust the font size as needed */
   }
   

2. Customizing the NavMenu Component: If you want more control over the entire navigation menu, you can create a custom NavMenu component that incorporates desired styling.

   @inherits LayoutComponentBase
   
   <div class="top-row px-4">
       <a href="" class="navbar-brand">My Blazor App</a>
       <button class="navbar-toggler" @onclick="ToggleNavMenu">
           <span class="navbar-toggler-icon"></span>
       </button>
   </div>
   
   <div class="@(NavMenuOpen ? "nav-menu show" : "nav-menu")">
       <nav class="nav flex-column">
           <ul>
               <li class="nav-item">
                   <NavLink class="nav-link" href="/">
                       <span class="oi oi-home" aria-hidden="true" style="font-size: 1.2rem;"></span> Home
                   </NavLink>
               </li>
               <li class="nav-item">
                   <NavLink class="nav-link" href="/counter">
                       <span class="oi oi-plus" aria-hidden="true" style="font-size: 1.2rem;"></span> Counter
                   </NavLink>
               </li>
               <li class="nav-item">
                   <NavLink class="nav-link" href="/fetchdata">
                       <span class="oi oi-list-rich" aria-hidden="true" style="font-size: 1.2rem;"></span> Fetch data
                   </NavLink>
               </li>
           </ul>
       </nav>
   </div>
   
   @code {
       private bool NavMenuOpen = false;
       private void ToggleNavMenu()
       {
           NavMenuOpen = !NavMenuOpen;
       }
   }
   

3. Using Font Awesome's fa-lg, fa-2x, etc. classes: For even greater customization, Font Awesome provides classes that directly control icon sizes. You can utilize classes like fa-lg for a larger size or fa-2x to double the default size. This allows for granular control over icon dimensions.

   @page "/"
   
   <div class="top-row px-4">
       <a href="" class="navbar-brand">Blazor App</a>
       <button class="navbar-toggler" @onclick="ToggleNavMenu">
           <span class="navbar-toggler-icon"></span>
       </button>
   </div>
   
   <div class="@(NavMenuOpen ? "nav-menu show" : "nav-menu")">
       <ul class="nav flex-column">
           <li class="nav-item px-3">
               <NavLink class="nav-link" href="/">
                   <span class="oi oi-home fa-lg" aria-hidden="true"></span> Home
               </NavLink>
           </li>
           <li class="nav-item px-3">
               <NavLink class="nav-link" href="/counter">
                   <span class="oi oi-plus fa-lg" aria-hidden="true"></span> Counter
               </NavLink>
           </li>
           <li class="nav-item px-3">
               <NavLink class="nav-link" href="/fetchdata">
                   <span class="oi oi-list-rich fa-lg" aria-hidden="true"></span> Fetch data
               </NavLink>
           </li>
       </ul>
   </div>
   

###  Additional Tips

- **Consistency is key:** Ensure your icon sizes are consistent across your entire application for a polished look.
- **Consider responsiveness:** Optimize your navigation menu and icon sizes for different screen sizes to ensure a user-friendly experience across devices.
- **Experiment with sizes:** Don't be afraid to play around with different font sizes and styles until you achieve the perfect visual balance for your navigation.

By applying these techniques, you can effortlessly manage Font Awesome icon sizes within your Blazor Server 8 navigation, creating a visually appealing and professional user interface.
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