div.header-splash-wrapper {
    height: 300px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
}
div.header-splash-wrapper .image-overlay {
    background-color: transparent;
    background-image: url("images/fnlgr-overlay-2.png");
    background-repeat: no-repeat;
    background-position: left top;
    height: 100%;
    width: 100%;
}

@media (max-width: 992px) {
    div.header-splash-wrapper .image-overlay {
        display: none;
    }
}