.main_div_orga{
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    height: 100%;
    border: 2px solid #939292;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.75);
    position: sticky;
}