.product-specs-cont h3 span{
  text-transform: uppercase;
  font-weight: 600;
  font-size: 2.1rem;
  letter-spacing: .4rem;
  border-bottom: solid 2px;
}

.product-specs-cont h3{
  text-align: center;
  margin-bottom: 23px;
}
.product-specs-cont{
  max-width: 680px;
  margin-top: 64px;
  margin-bottom: 64px;
}