.t-store__prod-popup__btn_disabled,
.t-store__prod-popup__btn_disabled td.js-store-prod-popup-buy-btn-txt{
    font-size: 0;
}

.t-store__prod-popup__btn_disabled td.js-store-prod-popup-buy-btn-txt:after{
    content: 'Sold'; 
    font-size: 14px; 
    color: #FF5151 
}

.t-store__card__sold-out-msg {
  visibility: hidden;
}
.t-store__card__sold-out-msg:after {
  content:'Sold'; 
  visibility: visible;
  display: block;
  color: #FF5151;
}