<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Luis Dialog Sample</title>
    <style>
        body {
            margin: 0px;
            padding: 0px;
            font-family: Segoe UI;
        }

        html,
        body {
            height: 100%;
        }

        header {
            background-image: url("data:image/svg+xml,%3Csvg version='1.1' id='Layer_1' xmlns='http://www.w3.org/2000/svg' xml