.presentation {
    position: relative;
    display: flex;
    justify-content: center;
    flex-direction: row;
    background: url(../images/bgFleursJaunes.jpg);
    background-size: cover;
    background-position: center;
    height: 85vh;
    align-items: center;
}

.presentation::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0));
    z-index: 1;
}

.presentation > * {
    position: relative;
    z-index: 2;
}


.img-presentation {
    height: 60vh;
    width: 350px;
    border-radius: 15px;
    margin: 25px 0px;
}

.aPropos-img {
    display: flex;
    align-items: center;
}

.ul-presentation {
    display: flex;
    flex-direction: row;
    padding: 0;
    justify-content: space-around;


}
.approche{
    display: flex;
    flex-direction: column;
    width: 20vw;

}
.approche h4 {
    margin: 0;
}
.aPropos {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 40vw;
    background-color: white;
    height: 40%;
    padding: 25px;
    border-radius: 15px;

}
.aPropos img {
    height: 250px;

}

.w7 {
    width: 70%;
}

.aPropos-texte {
    margin: 0 50px;
    width: 40vw;
}

.aPropos-texte p {
    text-indent: 30px;
}