Product Landing Page - Build a Product Landing Page

The Problem :

I don’t know why i cant solve my " Your #nav-bar should always be at the top of the viewport." problem.

Your code so far

<!-- file: index.html -->
   <header id="header">
        <div class="logo">
            <img src="https://www.pngitem.com/pimgs/m/460-4605591_sell-your-brand-here-hd-png-download.png" alt="Logo image" id="header-img">
        </div>
        <nav id="nav-bar">
            <ul>
                <li><a href="#features" class="nav-link">Features</a></li>
                <li><a href="#product-vid" class="nav-link">How it works</a></li>
                <li><a href="#product" class="nav-link">Product</a></li>
            </ul>
        </nav>
    </header>
/* file: styles.css */

header {
    position: fixed;
    top: 0;
    min-height: 75px;
    padding: 0 20px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: rgb(250, 235, 215);
}

nav {
    font-weight: 500;
}

nav > ul {
    width: 45vw;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Challenge Information:

Product Landing Page - Build a Product Landing Page

Hi. Can you post all your HTML please. Please put 3 backticks before and after the block of code to format it for the forum.