<!-- make parent position relative -->
<nav class="navbar">
    <a class="nav-heading" href="#">NOU Store</a>
    <input class="nav-input" type="text" placeholder="Search from a range of merch" />
    <div class="nav-right">
        <a class="nav-btn" href="#">Login</a>
        <a href="#">
            <i class="fal fa-heart"></i>
        </a>
        <a href="#">
            <i class="fal fa-shopping-cart">Cart
            </i>
        </a>
    </div>
</nav>