r {
            background-color: #3e8e41;
        }

        .chat {
            display: flex;
            overflow-x: hidden;
            width: 100%;
            height: 100vh;
            flex-direction: column;
        }
    </style>
</head>

<body>
    <div class="list">
        <div class="list-item">Item 1</div>
        <div class="list-item">Item 2</div>
        <div class="list-item">Item 3</div>
        <div class="list-item">Item 4</div>
        <div class="list-item">Item 5</div>
        <div 