.PageAbout{
    display: flex;
}
.partie1, .partie3{
    height:80vh;
    width: 47.5%;
    margin: 15px;
    margin-top: 75px;
    background: #ffffffbd;
    border-radius: 5px;
    opacity: 0;
    transform: translateY(-20px);
    animation: apparitionBox1 0.5s ease-in-out forwards;
    visibility: hidden;
}
.partie2{
    margin-top: 87.5px;
    height: 77.5vh;
    width: 0.1%;
    background: #ffffffbd;
}
.partie3{
    transform: translateY(20px);
}