.center{text-align:center}
.btn-row.center{justify-content:center}
.mt-0{margin-top:0}
.mt-1{margin-top:10px}
.mt-2{margin-top:20px}
.mt-3{margin-top:32px}
.mb-0{margin-bottom:0}
.mb-2{margin-bottom:20px}
.lead{font-size:var(--lead);color:var(--muted)}
.small{font-size:var(--small)}
.muted{color:var(--muted)}
.gold{color:var(--gold-700)}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.stack-sm{display:grid;gap:10px}
.flow>*+*{margin-top:1em}