.input-prepend.input-append input {
  font-size: 24px;
  padding-top: 11px;
  padding-bottom: 11px;
  width: 100px;
  text-align: right;
}
.product__image-main {
  text-align: center;
}

.product__image-thumb ul li {
  cursor: pointer;
  margin-bottom: 25px;
  padding: 0 10px;
}

.image__thumb {
  padding: 2px;
  border: 2px solid #fff;
}

.image__thumb--active {
  border: 2px solid #ccc;
}