#main_portfolio{
    width: 80%;
    min-height: 100vh;
}
#main_portfolio p{
    width: 66%;
}
#portfolio_box{
    display: flex;
}
.portfolio_colonne img{
    width: 100%;
    margin-bottom: 1.6em;
}
#portfolio_paragraphe{
    margin-bottom: 50px;
}
@media (min-width:0px) and (max-width:1025px)  { /* smartphone et tablette petit format */
    #portfolio_box{
        flex-direction: column;
        justify-content: space-between;
    }
    .portfolio_colonne{
        display: flex;
        flex-direction: column;
        width: 100%;
    }
}
@media (min-width:1025px)  { /* autres */
    #portfolio_box{
        flex-direction: row;
        justify-content: space-between;
    }
    .portfolio_colonne{
        display: flex;
        flex-direction: column;
        width: 32.2%;
    }
}

#portfolio_titre.mariage{
    background-image: url("../images/menu/b-mariage.png");
}
#portfolio_titre.portrait{
    background-image: url("../images/menu/b-portrait.png");
}
#portfolio_titre.famille{
    background-image: url("../images/menu/b-famille.png");
}
#portfolio_titre.errance{
    background-image: url("../images/menu/b-errance.png");
}
#portfolio_titre.soeurs{
    background-image: url("../images/menu/b-soeurs.png");
}
#portfolio_titre.pluie{
    background-image: url("../images/menu/b-pluie.png");
}