.langages_informatique{
    color: darkblue;
    font-size: 50px;
    font-family: 'Unna', serif;
}
.quoi_de_neuf{
    color: skyblue;
    font-size: 40px;
    font-family: 'Unna', serif;
}
.commentaire{
    font-size: 25px;
    font-family: 'Unna', serif;
    font-style: italic;
}
.Graphique{
    float:left
}
.paragraphe{
    font-size: 25px;
    clear: both;
    font-family: 'Unna', serif;
    text-align: justify
}