@media (max-width: 1365px) {
    #b .row {
        position: relative;
    }
    #b .row > div:first-child {
        display: block;
        width: 100%;
        margin-bottom: 30px;
    }
    #b .second-column {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        display: block;
        width: 100%;
        margin-left: 0 !important;
        margin-bottom: 20px;
    }
    #b .row > div:nth-child(3) {
        width: 100%;
    }
}