@media (max-width: 767px) {
    #texte1_principal{
        line-height: 1;
        font-size: 20px;
    }
    #texte2_principal{
        line-height: 1.2;
        font-size: 16px;
        margin-left: 0;
        margin-bottom: 10px;
        padding-left: 5px;
    }

    .popover{
        display: none!important;
    }

}

@media (max-width: 500px) {
    /*notification mes amis*/
    #fenetre_ajout_amis .media{
        width: 73%;
    }


}