.block-swatch.mine-preorder-variant {
  background: transparent !important;
  border-color: rgb(156 131 95 / 0.62);
  border-width: var(--swatch-border-size);
}

.variant-picker__option-values input:checked + .block-swatch.mine-preorder-variant,
.block-swatch.mine-preorder-variant.is-selected {
  background: rgb(143 116 78 / 0.055) !important;
  border-color: #8f744e;
  border-width: var(--swatch-border-size);
}