#videoGrid {
    width: 960px;
    height: 600px;
    margin: 2rem;
    border-radius: 1rem;
    border: 0.1rem solid #00ff90;
    padding: 0.35rem;
}
#viewBox {
    width: 100%;
    height: 100%;
}

#videoIndexInput {
    width:200px;
    height:20px;
}
#_videoIndexInput {
    width: 50px;
    height: 30px;
}