@media only screen and (max-device-width: 600px) {
    .vc_custom_heading.vc_do_custom_heading.heading-cls {
        font-size: 20px !important;
        padding-bottom: 0px !important;
        font-weight: 600;
    }
    h2.vc_custom_heading.vc_do_custom_heading.winner-readers {
      font-size: 14px !important;
    }
}