.range-slider {
  width: 100%;
  position: relative;
  overflow: hidden;
  padding-left: 3px;
  padding-right: 3px;
  margin-left: -1px;
  -ms-flex-item-align: center;
  -webkit-align-self: center;
  align-self: center;
}
.range-slider input[type="range"] {
  position: relative;
  height: 28px;
  width: 100%;
  margin: 4px 0 5px 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  -ms-appearance: none;
  appearance: none;
  background: -webkit-gradient(linear, 50% 0, 50% 100%, color-stop(0, #b7b8b7), color-stop(100%, #b7b8b7));
  background: linear-gradient(to right, #b7b8b7 0, #b7b8b7 100%);
  background-position: center;
  background-size: 100% 2px;
  background-repeat: no-repeat;
  outline: 0;
  border: none;
  box-sizing: content-box;
  -ms-background-position-y: 500px;
}
.range-slider input[type="range"]:focus,
.range-slider input[type="range"]:active {
  border: 0;
  outline: 0;
}
.range-slider input[type="range"]:after {
  height: 2px;
  background: #fff;
  content: ' ';
  width: 5px;
  top: 50%;
  margin-top: -1px;
  left: -5px;
  z-index: 1;
  position: absolute;
}
.range-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  -moz-appearance: none;
  -ms-appearance: none;
  appearance: none;
  height: 28px;
  width: 28px;
  border-radius: 28px;
  background: #fff;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
  border: 0;
  outline: 0;
  position: absolute;
  box-sizing: border-box;
  content: ' ';
  position: relative;
  cursor: pointer;
  margin-top: -1px;
}
.range-slider input[type="range"]::-webkit-slider-thumb:after {
  height: 28px;
  width: 28px;
  border-radius: 28px;
  background: #fff;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
  border: 0;
  outline: 0;
  position: absolute;
  box-sizing: border-box;
  content: ' ';
  left: 0;
  top: 0;
}
.range-slider input[type="range"]::-webkit-slider-thumb:before {
  position: absolute;
  top: 50%;
  right: 100%;
  width: 2000px;
  height: 2px;
  margin-top: -1px;
  z-index: 1;
  background: #007aff;
  content: ' ';
}
.range-slider input[type="range"]::-moz-range-track {
  width: 100%;
  height: 2px;
  background: #b7b8b7;
  border: none;
  outline: 0;
}
.range-slider input[type="range"]::-moz-range-thumb {
  height: 28px;
  width: 28px;
  border-radius: 28px;
  background: #fff;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
  border: 0;
  outline: 0;
  position: absolute;
  box-sizing: border-box;
  content: ' ';
}
.range-slider input[type="range"]::-ms-track {
  width: 100%;
  height: 2px;
  cursor: pointer;
  background: transparent;
  border-color: transparent;
  color: transparent;
}
.range-slider input[type="range"]::-ms-thumb {
  height: 28px;
  width: 28px;
  border-radius: 28px;
  background: #fff;
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
  border: 0;
  outline: 0;
  position: absolute;
  content: ' ';
  box-shadow: none;
  border: 1px solid rgba(0, 0, 0, 0.2);
  box-sizing: border-box;
  margin-top: 0;
  top: 50%;
}
.range-slider input[type="range"]::-ms-fill-lower {
  background: #007aff;
}
.range-slider input[type="range"]::-ms-fill-upper {
  background: #b7b8b7;
}