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

<head>
    <meta charset="UTF-8">
    <title>GoldIn</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- 新 Bootstrap4 核心 CSS 文件 -->
    <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.1.0/css/bootstrap.min.css">

    <!-- jQuery文件。务必在bootstrap.min.js 之前引入 -->
    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>

    <!-- popper.min.js 用于弹窗、提示、下拉菜单 -->
    <script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js"></script>

    <!-- 最新的 Bootstrap4 核心 JavaScript 文件 -->
    <script src="https://cdn.bootcss.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
    <!--
    <script src="../static/js/sign_in.js"></script>

    <link rel="stylesheet" href="../static/css/sign_in.css">
-->
    <style>
        #D1_status {
            width: 20px;
            height: 20px;
            background-color:cornflowerblue;
            border-radius: 50%;
        }

        .absolute {
            position: absolute;
            top: 175px;
            left: 195px;
            width: 170px;
            height: 230px;
            border-style: solid;
            border-color: aqua;

        }
    </style>
</head>

<body>
    <!--
        background-color:rgb(0, 238, 255);
    -->
    <div style="text-align: center; margin-top: 70px;font-size: 24px;">
        GoldIn's Coffee
    </div>
    <div>
        <img src="../static/img/web_dry_container.png" width="1500x" style="margin: auto;">
        <div class="absolute">
            D1
            status
            <div id="D1_status"></div>
        </div>
    </div>

</body>

</html>