Where can I find Bootstrap styles for HTML5 Range inputs?

body {
  background: #2B353E;
  margin: 0;
  padding: 0;
}
#slider {
  width: 400px;
  height: 17px;
  position: relative;
  margin: 100px auto;
  background: #10171D;
  -webkit-border-radius: 40px;
  -moz-border-radius: 40px;
  border-radius: 40px;
  -webkit-box-shadow: inset 0px 0px 1px 1px rgba(0, 0, 0, 0.9), 0px 1px 1px 0px rgba(255, 255, 255, 0.13);
  -moz-box-shadow: inset 0px 0px 1px 1px rgba(0, 0, 0, 0.9), 0px 1px 1px 0px rgba(255, 255, 255, 0.13);
  box-shadow: inset 0px 0px 1px 1px rgba(0, 0, 0, 0.9), 0px 1px 1px 0px rgba(255, 255, 255, 0.13);
}
#slider .bar {
  width: 388px;
  height: 5px;
  background: #333;
  position: relative;
  top: -4px;
  left: 4px;
  background: #1d2e38;
  background: -moz-linear-gradient(left, #1d2e38 0%, #2b4254 50%, #2b4254 100%);
  background: -webkit-gradient(linear, left top, right top, color-stop(0%, #1d2e38), color-stop(50%, #2b4254), color-stop(100%, #2b4254));
  background: -webkit-linear-gradient(left, #1d2e38 0%, #2b4254 50%, #2b4254 100%);
  background: -o-linear-gradient(left, #1d2e38 0%, #2b4254 50%, #2b4254 100%);
  background: -ms-linear-gradient(left, #1d2e38 0%, #2b4254 50%, #2b4254 100%);
  background: linear-gradient(left, #1d2e38 0%, #2b4254 50%, #2b4254 100%);
  filter: progid: DXImageTransform.Microsoft.gradient(startColorstr='#1d2e38', endColorstr='#2b4254', GradientType=1);
  -webkit-border-radius: 40px;
  -moz-border-radius: 40px;
  border-radius: 40px;
}
#slider .highlight {
  height: 2px;
  position: absolute;
  width: 388px;
  top: 6px;
  left: 6px;
  -webkit-border-radius: 40px;
  -moz-border-radius: 40px;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.25);
}
input[type="range"] {
  -webkit-appearance: none;
  background-color: black;
  height: 2px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  position: relative;
  top: 0px;
  z-index: 1;
  width: 11px;
  height: 11px;
  cursor: pointer;
  -webkit-box-shadow: 0px 6px 5px 0px rgba(0, 0, 0, 0.6);
  -moz-box-shadow: 0px 6px 5px 0px rgba(0, 0, 0, 0.6);
  box-shadow: 0px 6px 5px 0px rgba(0, 0, 0, 0.6);
  -webkit-border-radius: 40px;
  -moz-border-radius: 40px;
  border-radius: 40px;
  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #ebf1f6), color-stop(50%, #abd3ee), color-stop(51%, #89c3eb), color-stop(100%, #d5ebfb));
}
input[type="range"]:hover ~ #rangevalue,
input[type="range"]:active ~ #rangevalue {
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
  filter: alpha(opacity=100);
  opacity: 1;
  top: -75px;
}
/* Tool Tip */

#rangevalue {
  color: white;
  font-size: 10px;
  text-align: center;
  font-family: Arial, sans-serif;
  display: block;
  color: #fff;
  margin: 20px 0;
  position: relative;
  left: 44.5%;
  padding: 6px 12px;
  border: 1px solid black;
  -webkit-box-shadow: inset 0px 1px 1px 0px rgba(255, 255, 255, 0.2), 0px 2px 4px 0px rgba(0, 0, 0, 0.4);
  -moz-box-shadow: inset 0px 1px 1px 0px rgba(255, 255, 255, 0.2), 0px 2px 4px 0px rgba(0, 0, 0, 0.4);
  box-shadow: inset 0px 1px 1px 0px rgba(255, 255, 255, 0.2), 0px 2px 4px 0px rgba(0, 0, 0, 0.4);
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #222931), color-stop(100%, #181D21));
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  border-radius: 20px;
  width: 18px;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
  opacity: 0;
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;
  -ms-transition: all 0.5s ease;
  transition: all 0.5s ease;
  top: -95px;
}
input[type="range"]:focus {
  outline: none;
}

<div id="slider">
  <input class="bar" type="range" id="rangeinput" value="50" onchange="rangevalue.value=value" />
  <span class="highlight"></span>
  <output id="rangevalue">50</output>
</div>