#slider-container {
  margin: 15px 0 10px; /* Combined margins for cleaner syntax */
  padding: 1px;
  border: 1px solid #dedede;
  background-color: #f1f1f1;
}

#slider {
  padding: 8px;
  border: 1px solid #e9e9e9;
  background-color: #f1f1f1;
  background-image: url("https://magazinproduse-fonta.ro/catalog/view/theme/eliteshop/image/loading.gif");
  background-repeat: no-repeat;
  background-position: 50% 50%;
}

#slider img,
#slider a {
  display: none; /* Combine selectors for efficiency */
}

.nivoSlider,
.nivoSlider img {
  position: relative;
  top: 0;
  left: 0;
}

.nivo-box {
  display: block;
  position: absolute;
  z-index: 5;
}