#page_dossier {
    max-width: 100%;
}
#blocs3Naissance{
    display: flex;
    align-items: center;
    justify-content: center;
}
#blocs3Naissance picture.bg,#blocs3Naissance img.bg ,#blocs3Naissance video{
    width: 100%;
    min-height: 500px;
    max-height: 1000px;
    object-fit: cover;
    object-position: center;
}
#blocs3Naissance .blcitem{
    position: relative;
    width: 100%;
    height: 100%;
    cursor: pointer;
}
#blocs3Naissance .blocTxt{
    position: absolute;
    text-align: center;
    bottom: 12%;
    width: 100%;
}
#blocs3Naissance h4{
    font-size: 1.9vw;
    line-height: 2.4vw;
    font-weight: 400;
    text-transform: uppercase;
    color: #82C7D3;
    margin-bottom: 40px;
    letter-spacing: .4vw;
}
#blocs3Naissance h4 span{
    letter-spacing: 1px;
}
#blocs3Naissance a.cta{
    font-size: 14px;
    width: 178px;
    height: 50px;
    line-height: 50px;
    font-weight: 400;
    text-transform: uppercase;
    color: #82C7D3;
    background-color: #ffffff;
    display: inline-block;
    letter-spacing: 2px;
}
#blocs3Naissance a.cta:hover{
    color: #ffffff;
    background-color: #82C7D3;
}
@media screen and (max-width: 767px) {
    #blocs3Naissance img{
        display: block;
    }
    #blocs3Naissance{
        flex-wrap: wrap;
    }
    #blocs3Naissance .blcitem {
        flex: 1 1 33%;
    }
    #blocs3Naissance h4 {
        font-size: 18px;
        line-height: 20px;
        margin-bottom: 20px;
    }
    #blocs3Naissance a.cta{
        font-size: 11px;
        width: 120px;
        height: 38px;
        line-height: 38px;
        letter-spacing: 2px;
    }
}
@media screen and (max-width: 480px) {
    #blocs3Naissance .blocTxt{
        bottom: 40px;
    }
    #blocs3Naissance .blcitem {
        flex: 1 1 100%;
    }
    #blocs3Naissance h4 {
        font-size: 35px;
        line-height: 40px;
        margin-bottom: 30px;
        letter-spacing: 8px;
    }
    #blocs3Naissance a.cta{
        font-size: 12px;
        width: 138px;
        height: 45px;
        line-height: 45px;
        letter-spacing: 2px;
    }
}
@media screen and (max-width: 390px) {
    #blocs3Naissance.de h4{
        font-size: 26px;
        line-height: 30px;
    }
}