#resource-slider {
  position: relative;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 110px;
  margin: auto;
  border-radius: 3px;
  background: #fff;
  border: 1px solid #DDD;
  overflow: hidden;
}

#resource-slider .arrow {
  cursor: pointer;
  position: absolute;
  width: 30px;
  height: 100%;
  padding: 0;
  margin: 0;
  outline: 0;
  background: transparent;
  border:0;
}

#resource-slider .arrow:hover {
  background: rgba(0, 0, 0, 0.1);
}

#resource-slider .arrow:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 12px;
  height: 12px;
  margin: auto;
  border-style: solid;
}

#resource-slider .prev {
  left: 0;
  bottom: 0;
}

#resource-slider .prev:before {
  left: 8px;
  border-width: 3px 0 0 3px;
  border-color: #333 transparent transparent #333;
  transform: rotate(-45deg);
}

#resource-slider .next {
  right: 0;
  bottom: 0;
}

#resource-slider .next:before {
  right: 8px;
  border-width: 3px 3px 0 0;
  border-color: #333 #333 transparent transparent;
  transform: rotate(45deg);
}

#resource-slider .resource-slider-frame {
  position: absolute;
  top: 0;
  left: 30px;
  right: 30px;
  bottom: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  overflow: hidden;
}

#resource-slider .resource-slider-item {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 25%; /* Rozmiar zdjecia */
  height: 100%;
}

#resource-slider .resource-slider-inset {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 8px 4px;
  overflow: hidden;
}



@media ( max-width: 960px ) {
  #resource-slider .resource-slider-item {
    width: 33.33%;
  }
  #resource-slider {
    height: 207px;
    margin: 10px 0 10px;
  }
}

@media ( max-width: 720px ) {
  #resource-slider .resource-slider-item {
    width: 50%;
  }
}

@media ( max-width: 480px ) {
  #resource-slider .resource-slider-item {
    width: 100%;
  }
  #resource-slider {
    height: 304px;
  }
}