.usg-qty { display:flex; align-items:center; gap:.5rem; }
.usg-qty__input { width:3.25rem; text-align:center; -moz-appearance: textfield; }
.usg-qty__input::-webkit-outer-spin-button,
.usg-qty__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.usg-qty__minus, .usg-qty__plus {
  inline-size:2rem; block-size:2rem; line-height:2rem;
  border:1px solid var(--color-content-border, #ddd);
  border-radius:.5rem; background:transparent; cursor:pointer;
}
.usg-qty--solo .usg-qty__minus,
.usg-qty--solo .usg-qty__plus { opacity:.5; cursor:default; }