html{
    /* CSS properties and values */
    font-size: 16px;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;

}
.accueil{
    /* CSS properties and values */
    color: black;
    text-decoration: none;

}
.accueil:hover{
    /* CSS properties and values */
    color: purple;
}
.imgExo{
    /* CSS properties and values */
    width: 30%;
    height: auto;
    margin-bottom: 20px;
}
.liExo{
    /* CSS properties and values */
    list-style: none;
    margin-bottom: 50px;
}
.liExo a{
    /* CSS properties and values */
    color: black;
    text-decoration: none;
}
.liExo a:hover{
    /* CSS properties and values */
    color: purple;
}
#dateAmodifier{
    /* CSS properties and values */
    color: purple;
    text-align: right;
    margin-top: 200pt;
}
#credit{
    /* CSS properties and values */
    color: purple;
    text-align: right;
}