.install-help-button{display:block;margin:4px 20px 12px auto;padding:7px 12px;border:1px solid #7D7268;border-radius:20px;background:white;color:#7D7268;font:inherit;font-size:13px;cursor:pointer}
.install-help-button[hidden]{display:none}
.install-help-dialog{box-sizing:border-box;width:calc(100% - 40px);max-width:420px;border:0;border-radius:16px;padding:24px;color:#2f2c29;background:white}
.install-help-dialog::backdrop{background:rgba(0,0,0,.4)}
.install-help-dialog h2{font:400 25px Georgia,serif;margin:0 0 16px}
.install-help-dialog p{font:16px/1.6 system-ui,sans-serif;margin:0 0 20px}
.install-help-dialog .btn{display:block;margin-top:12px}