body
{
    background-color: #443A36;
    background-size:cover;
    margin:0;
    width:100%;
    height:100%;
    
}
video
{
    position: absolute;
    top: 15px;
    left: 15px;
}
#arriere
{
    position: absolute;
    bottom: 30px;
    left: 30px;
}
#avant
{
    position: absolute;
    bottom: 30px;
    right: 30px;
}