div.pwa-a2hs-active { text-align:center; margin-top:5em;}
div.pwa-a2hs-active button {
    background-color: #721b46;
    border-radius: 5px;
    padding: 15px;
    color: #fff;
    font-size: 30px;
    border: none;
}

@media (max-width: 767px) {
  #site-header .menu--main-menu-anonymous { display: block;}
  #site-header .menu--main-menu-anonymous .last { float:right; margin-right:5px; }
  body.anonymous #site-header .region-site-header,
  body.path-user #site-header .region-site-header { height:2em; width:100%;}
  body.path-user #site-header .menu--main li { display:none;}
  body.path-user #site-header .nav { display:block;}
  body.path-user #site-header .menu--main li.first {  display: block; text-align: center; margin-top: 1em; }
}