.header-mobile .open-sidebar button {
        background: transparent url('https://www.kens-resinworks.com/wp-content/themes/corano/images/btn-settings.png') no-repeat center !important;
        font-size: 0;
        width: 30px;
        height: 28px;
        padding: 0;
        border: none !important;
        border-radius: 0;
    }