.conteneur-flexible{
    display: flex;
    font-size: 20px;
    box-sizing: border-box;
    margin: 10px 0px;
}
.ligne{
    flex-flow: row wrap;
}
.debut{
    justify-content: flex-start;
}
.fin{
    justify-content: flex-end;
}
.centre{
    justify-content: center;
}
.space-between{
    justify-content: space-between;
}
.space-around{
    justify-content: space-around;
}
.space-evenly{
    justify-content: space-evenly;
}
.element-flexible{
    font-size: small;
    flex: 0 0 40%;
    width: 25%;
    height: 25%;
    padding: 10px 0px;
    text-align: center;
    box-sizing: border-box;
    margin: 5px;
}

.boutonTarifsPack{
    position: static!important;
    width: 35%!important;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20%
}
.boutonTarifsContact{
    position: static!important;
    width: 30%!important;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20%
}

@media screen and (max-width: 762px) {
    .element-flexible {
        width: 100%;
        flex: 0 0 100%;
    }
}