.commerce-product-variation-radios {
  display: flex;
  justify-content: space-between;
}

.commerce-product-variation-radio input {
  height: 0;
  width: 0;
  overflow: hidden;
  padding: 0;
  margin: 0;
  border: 0;
  box-shadow: none;
  display: none;
}

.commerce-product-variation-radio input + label.commerce-product-variation-radio-label {
  display: block;
  padding: 1rem;
  cursor: pointer;
  position: relative;
}

.commerce-product-variation-radio input + label.commerce-product-variation-radio-label:after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  content: ' ';
  display: block;
  background: rgba(0, 0, 0, 0.1);
}
.commerce-product-variation-radio input + label.commerce-product-variation-radio-label:hover:after,
.commerce-product-variation-radio input + label.commerce-product-variation-radio-label:focus:after {
  background: rgba(0, 0, 0, 0.2);
}
.commerce-product-variation-radio input:checked + label.commerce-product-variation-radio-label:after {
  background: rgba(0, 0, 0, 0.3);
}