JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
 <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">

    <title>Navbar</title>

    <!-- Bootstrap CSS CDN -->
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css" integrity="sha384-9gVQ4dYFwwWSjIDZnLEWnxCjeSWFphJiwGPXr1jddIhOegiu1FwO5qRGvFXOdJZ4" crossorigin="anonymous">
    <!-- Our Custom CSS -->
    <link rel="stylesheet" href="styless.css">

    <!-- Font Awesome JS -->
    <script defer src="https://use.fontawesome.com/releases/v5.0.13/js/solid.js" integrity="sha384-tzzSw1/Vo+0N5UhStP3bvwWPq+uvzCMfrN1fEFe+xBmv1C/AtVX5K0uZtmcHitFZ" crossorigin="anonymous"></script>
    <script defer src="https://use.fontawesome.com/releases/v5.0.13/js/fontawesome.js" integrity="sha384-6OIrr52G08NpOFSZdxxz1xdNSndlD4vdcf/q2myIUVO0VsqaGHJsB0RaBE01VTOY" crossorigin="anonymous"></script>
</head>
<body>

        <nav class="navbar  navbar-dark bg-violet" >
            <div class="container-fluid">
                <div class="row">
                    <div class="col-2">
                        <button type="button" class="navbar-toggler" id="buttonCollapse">
                            <span class="navbar-toggler-icon"></span>
                        </button>
                    </div>
                    <div class="col-10"></div>
                </div>
                
            </div>
        </nav>

CSS

.bg-violet {
    background-color: #7e00ff;
}

.navbar-toggler{
    background-color: white;
}

.navbar-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(126, 0, 255, 0.5)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E") !important;
}

.row {
    width: 100%;
}