.option-group .option-item {
    width: calc(50% - 15px);
}
.catalog-item {
    width: calc(33.333% - 30px);
}
.insta-widget .insta-grid li {
    width: calc(33.333% - 15px);
}
.home-blog .blog-preview-item {
    width: calc(33.333% - 30px);
}
@media (max-width:991px){
    .catalog-item {
        width: calc(50% - 30px);
    }
}
@media (max-width: 767px){
    .half-section.doctor-half .bg-side{
        height: calc(100% - 700px);
    }
    .home-blog .blog-preview-item {
        width: 290px;
        min-width: 290px;
    }
    .insta-widget .insta-grid li {
        width: calc(33.333% - 10px);
    }
    .half-section .bg-side{
        height: calc(100% - 300px);
    }
}
@media (max-width: 575px){
    .option-group .option-item {
        width: 100%;
    }
    .half-section.doctor-half .bg-side{
        height: calc(100% - 460px);
    }
}