header {
    background-color: #b94a48;
    font-family: sans-serif;
    text-align: center;
    color: black;
    padding: 20px 0px;
    border-color: white;
    font-size: large;
    margin: 20px;
    border-style: double;
    border-color: black;
    border-width: 20px;
    text-shadow: 0.2rem 0.2rem 0.4rem #bfbfbf;
}



body {
    background-color: #999999;
    font-family: monospace;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}


b,
#consigne2 {
    text-align: center;
    font-size: 20px;
    border-width: 2px;
    border-style: solid;
    color: black;
    background-color: beige;
    margin: 20px;
    font-size: 100%;
    padding: 10px 24px;
}


video {
    width: 750px;
    margin: 0rem;
    border-style: groove;
    border-color: black;
    background-color: white;
}

#stopBtn0 {

    background-color: #FFBF7C;

}

#stopBtn1 {

    background-color: #b94a48;
}

#stopBtn2 {

    background-color: #b94a48
}

#stopBtn3 {

    background-color: #b94a48;
}

#stopBtn4 {

    background-color: #b94a48;
}

#stopBtn5 {

    background-color: #b94a48;
}

#stopBtn6 {

    background-color: #b94a48
}

#stopBtn7 {

    background-color: #FFBF7C;
}

.divideo {
    margin: 1rem;
}


footer {
    font-size: 85%;
    text-align: center;
    border: solid black 1px;
    border-style: dashed;
    padding: 1rem;
    margin: 1rem;
    background-color: #999999;

}

div {
    text-align: center;
}

.inutile {
    color: #999999;
}


#allquest {
    display: none;
    margin: auto;
}