JSFiddle - React, Tailwind, and code Playground

HTML

<nav class='navbar'> 
        <div class='nav'>Navbar</div>
        <ul class='nav-items'>
            <li class='item'><a href='#'>Active</a></li>
            <li class='item'><a href='#'>Home</a></li>
            <li class='item'><a href='#'>Blog</a></li>
            <li class='item'><a href='#'>About</a></li>
            <li class='item'><a href='#'>Login</a></li> 
        </ul>    
    </nav>
    <div class='double'>
        <div class='cards' style="background-color: #2e7ae2;">
            <div id='slideshow'>
                <div class='slide-text'>text</div>
                <div></div>
                <div></div>
            </div>
        </div>
        
        <img class='img-stol' src="https://i.ibb.co/j6n9YGy/stol.jpg">
    </div>

CSS

/* navbar */

html {
    height: 100%;
}

body {
    height: 100%;
    margin:0%;
}

.navbar {
    display: flex;
    width: 100%;
    height: 15%;
    background: #fff;
    align-items: center;
    max-width: 1450px;
    margin: 0 auto;
}

.nav-items {
    display: flex;
    max-width: 1450px;
    margin: 0 auto;
    width: 100%;
    right: 50px;
    justify-content: flex-end;
}

.nav, .item {
    display: inline;
    max-width: 1450px;
    z-index: 1;
}

.nav {
    font-size: 35px;
    z-index: 5;
}

.item {
    right: 10px;
    font-size: 25px;
    padding: 20px;
}

.item a {
    text-decoration: none;
    position: relative;
}

.item a:after {
    content: '';
    display: none;
    width: 100%;
    height: 3px;
    background-color: #2e7ae2;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1;
}

.item a:visited, .item a:link {
    color:black;
}

.item a:hover {
    color: blue;
}

.item a:hover:after {
    display: block;
}


/* double */

.double {
    display: flex;
    width: 100%;
    height: 100%;
}

.double div {
    width: 50%;
    height: 100%;
}

.img-stol {
    width: 50%;
    height: 100%;
}

/* cards */

.cards {
    display: flex;
    justify-content: center;
}

#slideshow .slide-text {
    color: #fff;
    font-size: 30px;
    background: pink;
}