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

body, html {
    height: 100%;
    font-family: Arial, sans-serif;
}

.video-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.5);
    color: white;
}

.overlay h1 {
    font-size: 3em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}