JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.3.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<div class="navbar navbar-default">

    <div class="navbar-header">
        <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
            <span class="sr-only">Toggle navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
        </button>
        <a class="navbar-brand" href="/portal/home/index/">Logo of Site</a>
    </div>


    <div class="navbar-collapse collapse">
        
        <ul class="nav navbar-nav">
            <li><a href="/portal/home/index/">Home</a></li>
            <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">My Menu Processes<span class="caret"></span></a>

               
            </li>
            <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Enquiries<span class="caret"></span></a>
                
            </li>

            <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Admin Reports <span class="caret"></span></a>
              
            </li>
                            <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">System Maintenance<span class="caret"></span></a>

                   
                </li>

        </ul>
        <ul class="nav navbar-nav navbar-right">

            <li>
             ...

CSS

@media (max-width: 1230px) {
.navbar-header {
    float: none;
}
.navbar-left,.navbar-right {
    float: none !important;
}
.navbar-toggle {
    display: block;
}
.navbar-collapse {
    border-top: 1px solid transparent;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
}
.navbar-fixed-top {
    top: 0;
    border-width: 0 0 1px;
}
.navbar-collapse.collapse {
    display: none!important;
}
.navbar-nav {
    float: none!important;
    margin-top: 7.5px;
}
.navbar-nav>li {
    float: none;
}
.navbar-nav>li>a {
    padding-top: 10px;
    padding-bottom: 10px;
}
.collapse.in{
    display:block !important;
}
}