html {
    min-height: 100%;
}

body {
    font-family: 'Roboto';
    margin: 0;
    /* min-height: 100%; */
    /* height: 100vh; */
    display: flex;
    flex-direction: column;
    align-items: stretch;
    align-content: stretch;
    color: #333;
    box-sizing: border-box;
}

h1 {
    text-align: center;
}

video {
    max-width: 100%;
    flex-grow: 1;
}