style.css
        body {
            background: #121212;
            color: white;
            font-family: sans-serif;
            padding: 2rem;
        }

        .flex {
            display: flex;
            gap: 1rem;
        }

        .item {
            background: #2e2e3e;
            padding: 1rem;
            border-radius: 10px;
            flex: 1;
            text-align: center;
        }
    

    
index.html
    <div class="flex">
        <div class="item">Sol</div>
        <div class="item">Ortal</div>
        <div class="item">Sağ</div>
    </div>