.pwa-install-button{
  position:fixed;
  right:18px;
  bottom:22px;
  z-index:9998;
  display:none;
  align-items:center;
  gap:7px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;
  padding:11px 15px;
  background:#0d5a4b;
  color:#fff;
  box-shadow:0 10px 28px rgba(20,55,47,.22);
  font:800 11px/1 Arial,sans-serif;
  letter-spacing:.1px;
  cursor:pointer;
}
.pwa-install-button.is-visible{display:inline-flex}
.pwa-install-button:before{content:"↓";font-size:14px}
.pwa-install-button:hover{background:#08483d}
@media(max-width:720px){
  .pwa-install-button{
    right:12px;
    bottom:82px;
    padding:10px 13px;
  }
}
@media(display-mode:standalone){
  .pwa-install-button{display:none!important}
}