body {
    margin: 0;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #000;
}

video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    z-index: -1;
}

.info {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(255, 255, 255, 0.8);
    padding: 10px;
    border-radius: 8px;
    z-index: 2;
}

.marker {
    position: absolute;
    width: 30px;
    height: 30px;
    background-color: red;
    border-radius: 50%;
    border: 2px solid white;
    z-index: 1;
    display: none;
}