header{
    text-align: center;
}
#eldayaa{
    background-color: red;
    color: green;
    margin: 0;
}
#blanc{
    background-color: aliceblue;
    margin: 0;
    color: green;
}
#snack{
    background-color: red;
    color: green;
}
#soiree{
    color:white;
}
#snacking col{
    text-align: center;
}
#snacking button{
    margin-left: auto;
    margin-right: auto;
    display: block;
}
.bg-dark{ /* comment savoir ou sont tout les bg dark*/
    color: yellow;
    text-align: center;
}
.bg-danger{
    text-align: center;
}