.fullscreen {
    left: 0px!important;
    right: 0px!important;
    top: 0px!important;
    bottom: 0px!important;
}


pwa-install::part(openButton) {
    background: #090909;
    font-size: 17px;
    /* border-radius: 15px; */
    position: absolute;
    z-index: 9999;
    border: 1px solid #FFF;
    width: 100%;
    top: 5px;
}