#font{
    font-size: large;
}
a{
    font-size: xx-large;
}
#liste{
    text-align: center;
}
h2{
    font-size: xx-large;
    
}
p, button{
    font-size: x-large;
}
.collapse ul li a{
    color: firebrick;
    font-size: 2rem;
}
.navbar-brand{
    position: absolute;
    left: 43%;
    max-width: auto;    
   }

.back{
    background-image: url(../img/backs.jpg);
    background-size: cover;
    min-height: 50vh;
}
.bidule{
    margin: 0;
    padding: 0;
}
#re{
color: black;
font-size: 1.5cm;
display: flex;
justify-content: center;
}
.btn-outline-success{
    color: black;
    border-color: black;
}