.slidecontainer {
  width: 100%;
}

.slider {
  display: block;
  margin: 0 auto;
  margin-top: 10px;
  -webkit-appearance: none;
  appearance: none;
  width: 50%;
  height: 25px;
  background: orange;
  outline: none;
  opacity: 1;
  transition: opacity 0.2s;
}

.slider:hover {
  opacity: 1;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  background: #4caf50;
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 25px;
  height: 25px;
  background: #4caf50;
  cursor: pointer;
}