@media screen and (min-width: 0px) and (max-width: 420px) {

    #presentation {
        margin: 0;
        flex-direction: column;
        text-align: center;
    }

    #buttonCV{
    animation: animate 8s linear infinite;
}
    
    .colonne
    {
        height:auto;
    }
    
    .hauteurMoitie
    {
        width: auto;
    }
    
    .caseTiers
    {
        width:auto;
    }
    
    #modalExpertPorfolio article
    {
        height: 20%;
        width:auto;
    }

    #presentation,
    #presentationDroite {
        width: 100% !important;
        font-size: 1.2rem !important;
        text-align: center !important;
    }

    #presentationGauche {
        width: auto;
        height: auto;
    }

    #CV {
        margin-left: auto;
        margin-right: auto;
        padding-left: 15%;
        width:100%;
    }

    #navOrdinateur {
        display: none;
    }

    #menuPortable {
        display: flex;
        height:12%;
        background: #222;
    }

    #white {
        color: white;
        text-align: center;
    }

    #menuCentrePortable {
        width: 35%;
    }

    #titreProfessionnel {
        font-size: 2.2rem;
    }

    #TexteMesExperiencesProfessionnel {
        padding: 0;
        text-align: center;
    }

    #troisCases {
        flex-direction: column;
        width: 80%;
        margin-left: 10%;
    }

    #blocExpert {
        margin: 0;
        padding: 0;
        width: auto;
    }

    #blocIntermediaire {
        margin: 0;
        padding: 0;
        width: auto;
    }

    #blocDebutant {
        margin: 0;
        padding: 0;
        width: auto;
    }

    #titreCompetence {
        font-size: 2.2rem;
    }

    #titreFormation {
        font-size: 2.2rem;
    }

    .texteTitreFormation {
        font-size: 1.2rem;
    }

    .espace100 {
        width: 100%;
    }

    #menuCentrePortable {
        background: #222;
        color: #fff;
        margin-top: 8%;
        text-align: center;
        width: 100%;
        position: relative;
    }

    #menuCentrePortable .title {
        font-size: 30px;
        font-weight: bold;
        line-height: 50px;
        padding: 0 20px;
        text-transform: uppercase;
    }

    #menuCentrePortable .burger {
        appearance: none;
        -moz-appearance: none;
        -webkit-appearance: none;
        color: inherit;
        cursor: pointer;
        font-family: 'Material Icons';
        font-size: 30px;
        line-height: 50px;
        margin: 0;
        outline: 0;
        padding: 0;
        position: absolute;
        text-align: center;
        top: 0;
        right: 10px;
        width: 50px;
    }

    #menuCentrePortable .burger:before {
        content: 'menu';
    }

    #menuCentrePortable .burger:checked:before {
        content: 'close';
    }
    
    #menuBurger
    
    {
        width: 16%;
        height: auto;
        cursor: pointer;
        top:0;
        position:relative;
    }
    
    footer div
    {
        margin: 0;
        text-align: center;
        flex-direction: column;
    }
    
    #ulLienMenuPortable
    {
        list-style: none;
        padding-right:  20px;
        padding-left:   20px;
    }
    
    .liLienMenuPortable
    {
        background: black;
        text-align: center;
        margin-bottom: 5%;
    }
    
    .modal-dialog
    {
        margin-left: auto;
        margin-right: auto;
        max-width: none;
    }
    
    .correctionProbHaut
    {
        font-size: 2rem;
        margin-top:30%;
    }
    
    .betterToRead
    {
        margin: 0;
    }
    

    
    .row-fluid
    {
        display: flex;
        flex-direction:column;
    }
    
    .map , .salle
    
    {
        width:100%;
    }
    
    .paquetDe4
    {
        flex-direction: column;
    }
    
    .modal-content
    {
        width:auto;
        margin-left:auto;
        margin-right: auto;
    }
    
    #imgKalilinux
    {
        width: 60%;
    }
    
    .flecheUNPeuMoinsADroite
    {
        margin-right: 4%;
    }
    
    #defilant
    {
        margin-top:25%;
    }
    
    .textCenter
    {
        text-align: center;
    }



}