@media (min-width: 990px) {
    .intro-border-col .av_one_fourth {
        border-right: 4px solid var(--primary-color) !important;
        padding-right: 30px;
    }

    .intro-border-col .av_three_fourth {
        padding-left: 50px;
    }
}

@media (max-width: 989px) {
    .intro-border-col .section-heading {
        position: relative;
        padding-bottom: 25px !important;
        margin-bottom: 50px;
        text-align: left !important;
    }

    .intro-border-col .section-heading:after {
        content: '';
        position: absolute;
        width: 120px;
        height: 4px;
        bottom: 0;
        left: 0;
        background-color: var(--primary-color);
    }
}