html, body{
    border : 0;
    padding : 0;
    margin: 0;
    font-size : 18px;
    font-family: 'Roboto', sans-serif;
}
header{
    width: 100%;
    text-align: center;
}
#content{
    width: 60%;
    margin: 50px auto;
}
#playerAudio, #playerAudio audio{
    width: 100%;
}
#nom{
    width: 100%;
    text-align: center;
    margin: 20px 0;
    font-size: 30px;
    color: #2B378E;
}
#classe{
    font-size: 20px;
    font-weight: 700;
    color: #23A09B;
}
#unite{
    color: #3BA4E1;
}