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

body, html {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #C2BDBC;
    overflow: hidden;
}

span {
    position: absolute;
    bottom: 0;
    right: 0;
    z-index: 1;
    font-family: Georgia, 'Times New Roman', Times, serif;
    font-size: 15px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    color: #fff;
    padding: 20px;
}

video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 760px) {
    span {
        width: 100%;
        text-align: center;
    }
}