JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<nav class='navigation'>
        <div class="wrapper">
            <ul class="navigation-ul">
            <li class='dropdown'>Dropdown</li>
                <li><a href="">Images</a></li>
                <li><a href="">Categories</a></li>
        		    <li><a href="">Upload</a></li>
                <li>
                    <a class='nav-username' href=''>
                        <img class='profile-picture' src=''>
                        Username
                    </a>
                </li>
                <li><a href="">Logout</a></li>
            </ul>
        </div>
    </nav>

CSS

*, *:after, *:before {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    text-decoration: none;
    color: white;
}
a {
    color: #f1f1f1;
}
html {
    font-size: 16px;
}
body {
    background-color: #fafafa;
    font-family: 'Roboto', sans-serif;
    height: 100%;
    width: 100%;
}
.navigation {
    background-color: #171717;
}
.navigation-ul {
    display: flex;
    align-items: center;
}
.navigation-ul>li:not(.dropdown) {
    padding: 10px 15px 10px 15px;
    font-weight: 500;
    text-align: center;
    font-size: 1em;
    color: white;
    background-color: #151719;
    list-style-type: none;
}
.navigation-ul li:nth-last-child(2) {
    margin-left: auto;
}
/* .nav-username {
    display: flex;
    align-items: center;
} */

.nav-username > * {
  vertical-align: middle;
}

.profile-picture {
    display: inline-block;
    border-radius: 50px;
    height: 30px;
    width: 30px;
    margin-right: 10px;
}
@media all and (min-width: 0px) and (max-width: 1200px) {
    .navigation-ul {
        flex-wrap: wrap;
    }
    .navigation-ul>li {
        flex: 1 1 100%;
    }
}

@media screen and (max-width: 1200px) {
    .navigation-ul li:first-child {
        display: block;
    }
    .navigation-ul li {
        display: none;
    }
    .navigation-ul li.active {
        display: block;
    }
    .navigation-ul .dropdown {
        display: block;
        cursor: pointer;
    }
    .home-container {
        columns: 2;
    }
    .dropdown {
        padding: 7px 0 7px 0;
        text-align: center;
    }
    .specific-image-flexbox {
        flex-direction: column;
    }
}

@media screen and (max-width: 600px) {
    .home-container {
        columns: 1;
    }
    .category-container-element {
        width: 100%;
    }
}

JavaScript

$('.dropdown').on('click', function() {
        $('.navigation-ul li:not(:first-child)').toggleClass('active');
    });