.product-description-custom__content {
  position: relative;
  line-height: 20px;
  max-height: var(--expanded-height, 120px);
  overflow: hidden;
  transition: max-height .7s ease-in-out;
}

.product-description-custom__content::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 28px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0), #fff 85%);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s ease-in-out;
}

.product-description-custom:not(.is-expanded) .product-description-custom__content {
  max-height: 120px;
}

.product-description-custom:not(.is-expanded) .product-description-custom__content::after {
  opacity: 1;
}

.product-description-custom__toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 24px;
  margin-top: 16px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #000;
  font-size: 12px;
  letter-spacing: 1px;
  text-align: left;
}

.product-description-custom__toggle::before {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: #bdbdbd;
  content: "";
}

.product-description-custom__toggle > span {
  position: relative;
  z-index: 1;
  background: #fff;
}

.product-description-custom__toggle > span {
  padding: 0 10px;
}

.product-description-custom__toggle[hidden] {
  display: none;
}

.product-description-custom__toggle:hover,
.product-description-custom__toggle:focus {
  border: 0 !important;
  background: transparent !important;
  color: #000 !important;
}

.product-description-custom__toggle:hover > span,
.product-description-custom__toggle:focus > span {
  font-weight: 700;
}