.mpph-box{border:1px solid #e2e2e2; padding:16px; border-radius:8px; max-width:420px}
.mpph-box .mpph-btn{margin-top:8px}
.mpph-result{margin-top:8px; font-weight:bold}
.mpph-btn.mpph-disabled{opacity:.6; cursor:not-allowed}