.box-content.first-section-b.mb-50 {
    padding-top: 30px !important;
}
.mb-50 {
    margin-bottom: 20px !important;
}
.project_item {
 margin-top: 0 !important; 
 margin-bottom: 100px;
}

.ours_project .image_article img{
    height: unset!important;
}

@media (max-width: 662px){
    .osobenosti__main-img{
        margin-top: 20px!important;
    }

    header.header-group.black{
        width: 100vw; 
        margin: 0;
    }
}