.g-promo-section {
    background: url(../img/logo-tlo-eventy-2.png) 100% 50%;
    background-repeat: no-repeat;
    background-size: 350px auto;
    background-attachment: fixed;
}
@media(max-width: 991px) {
    .g-promo-section {
        background: url(../img/logo-tlo-eventy-2.png) -10% 100%, url(../img/you-tell-the-story-events.png) 100% 100%;
        background-repeat: no-repeat;
        background-size: 0px auto;
    }
}