* {
                        margin: 0;
                        padding: 0;
                        box-sizing: border-box;
                }

                html,
                body {
                        width: 100%;
                        height: 100%;
                        overflow: hidden;
                        background: #000;
                        font-family: Arial, sans-serif;
                }

                .header {
                        position: fixed;
                        top: 0;
                        left: 0;
                        width: 100%;
                        text-align: center;
                        color: #fff;
                        font-size: 2vw;
                        font-weight: bold;
                        padding: 15px 0;
                        background: rgba(0, 0, 0, 0.4);
                        z-index: 10;
                        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
                }

                .container {
                        display: grid;
                        grid-template-columns: repeat(3, 1fr);
                        grid-template-rows: repeat(3, 1fr);
                        gap: 10px;
                        width: 100vw;
                        height: 100vh;
                        padding: 60px 10px 10px 10px;
                }

                .camera {
                        background: #222;
                        border: 1px solid #333;
                        position: relative;
                        overflow: hidden;
                }

                .camera iframe {
                        width: 100%;
                        height: 100%;
                        border: none;
                        display: block;
                        object-fit: cover;
                }

                .camera-label,
                .timestamp {
                        position: absolute;
                        bottom: 8px;
                        padding: 6px 12px;
                        border-radius: 4px;
                        background: rgba(0, 0, 0, 0.4);
                        color: #fff;
                }

                .camera-label {
                        left: 8px;
                        font-size: 1.2vw;
                        
                }

                .timestamp {
                        right: 8px;
                        font-size: 1vw;
                        
                }
                @media screen and (min-width: 1920px) and (min-height: 1080px) {
                        .header {
                                font-size: 2.5vw;
                                padding: 20px 0;
                        }

                        .container {
                                gap: 15px;
                                padding: 80px 15px 15px 15px;
                        }

                        .camera-label {
                                font-size: 1.5vw;
                                padding: 8px 14px;
                        }

                        .timestamp {
                                font-size: 1.2vw;
                                padding: 6px 10px;
                        }
                }

                @media screen and (min-width: 3840px) and (min-height: 2160px) {
                        .header {
                                font-size: 3vw;
                                padding: 25px 0;
                        }

                        .container {
                                gap: 20px;
                                padding: 100px 20px 20px 20px;
                        }

                        .camera-label {
                                font-size: 2vw;
                        }

                        .timestamp {
                                font-size: 1.5vw;
                        }
                }