<style>
        body, html {
            height: 100%;
            margin: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: #f0f0f0;
        }
        .centered-div {
            position: absolute;
            top: 15%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #ffffff;
            padding: 20px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            text-align: center;
        }
        .centered-div img {
            max-width: 100%;
            height: auto;
        }
        .close-button {
            position: absolute;
            top: 10px;
            right: 10px;
            background-color: #ff0000;
            color: #ffffff;
            border: none;
            padding: 5px 10px;
            cursor: pointer;
        }
    </style>
