body {
    background-color: #000;
    color: #fff;
    font-family: "Arial", sans-serif;
    margin: 0;
    padding: 0;
    height: 100vh;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px;
}

video {
    width: 98%;
    height: auto;
}

@media (min-width: 769px) {
    video {
        width: auto;
        height: 98%;
    }
}