Index.cshtml

@using Microsoft.Extensions.Configuration 
@inject IConfiguration Configuration 
@addTagHelper *, Microsoft.FeatureManagement.AspNetCore

<style>
    #welcome {
        background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url(https://live.staticflickr.com/1937/30715340707_d0696024c8_k.jpg);
    }
    
    #home {
        background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url(https://live.staticflickr.com/4544/27053562599_40e1815d95_k.jpg);
    }
    
    #about {
        background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url(@Configuration["AppConfigurationDemo:Index:AboutImage"]);
    }
    
    #services {
        background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url(https://live.staticflickr.com/8159/7621350242_651e97333b_k.jpg);
    }
    
    #contact {
        background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url(https://live.staticflickr.com/4072/4528977836_c4acfcaf88_b.jpg);
    }
</style>

<div id="nav" class="nav">
    <ul>
        <li><a href="#home">@Configuration["AppConfigurationDemo:Index:HomeTitle"]</a></li>
        <li><a href="#about">About</a></li>
        <li><a href="#services">Services</a></li>
        <li><a href="#contact">Contact</a></li>
    </ul>
</div>
<div class="container">
    <feature name="WelcomeSection">
        <div id="welcome" class="bg">
            <div>
                <h1>Hello World!</h1>
                <span>Feature enabled</span>
            </div>
        </div>
    </feature>
    <div id="home" class="bg">

        ...