.box1-our-activity, .box2-our-activity
{
    padding-bottom: 10px;
    padding-top: 10px;
}
.box1
{
    min-height: 400px;
    flex-wrap: wrap;
    padding-top: 20px;
}
.description_courte_projet
{
    
    max-height: 150px;
    white-space: wrap;
    text-overflow:ellipsis;
    overflow: hidden;
    /* border: 2px solid red; */
}
@media (max-width : 1000px) 
{
    
    .box1
    {
        min-height: min-content;
        /* border: 2px solid red; */
    }
    .box2>.conteneur>div
    {
        flex-direction: column;
        margin-bottom: 50px;
    }
    .box1 img
    {
        visibility: hidden;
        display: none;
    }
    .box1>.conteneur>*
    {
        width: 90%;
    }
    .box2>.conteneur>div>*
    {
        width: 90%;
    }
}