.picture {
    width: 100%;
    max-width: 320px;
    height: auto;
}

main {
    text-align: center;
}

#video {
    margin: 0 auto;
}

.btnSection {
    display: grid;
    grid-auto-flow: column;
    grid-column-gap: 10px;
    padding: 24px;
}

.timer {
    font-size: 30px;
}

#results {
    padding: 24px;
}

.picture {
    width: 100%;
    max-width: 240px;
    height: auto;
    margin: 12px
}