header.php

<div class="bg-light">
        <div class="container-fluid">
            <div class="row">
                <nav class="col navbar navbar-expand-lg navbar-light">
                    <div class="img col-5 col-lg-2">
                        <a href="index.php"><img id="logo" src="img/logo.webp" alt="logo" class="navbar-brand"></a>
                    </div>
                    <button class="navbar-toggler" data-toggle="collapse" data-target="#navbarContent"><span class="navbar-toggler-icon"></span></button>
                    <div id="navbarContent" class="collapse navbar-collapse col-lg-10">
                        <div class="input-group" style="margin-right: 10px;">
                            <input type="text" class="form-control col-12" placeholder="Chercher un item">
                            <div class="input-group-append">
                                <button class="btn btn-warning"><img id="search" src="img/icons8-search-30.png" alt="search"></button>
                            </div>
                        </div>

                        <div class="btn" style="padding-left: 0;">
                            <a href="indentifiez.php" class="btn btn-secondary">
                                Bonjour, identifiez-vous
                            </a>
                            </div>
                        </div>
                        
                        
                    </div>
                </nav>
            </div>
        </div>
    </div>