body {
  background-color: #f0f7ef;
}

.container {
  display: flex;
  width: 500px;
  height: 500px;
  margin: auto;
  text-alignt: center;
}

.slider {
  width: 100%;
  margin: 50% auto;
}

input[type="range"] {
  -webkit-appearance: none !important;
  width: 78%;
  height: 15px;
  background-color:white;
  border: 1px solid #97c68b;
  border-radius: 10px;
  margin: auto;
  transition: all 0.3s ease;
}
input[type="range"]:hover {
  background-color: #fff;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none !important;
  width: 20px;
  height: 20px;
  background-color: #579E81;
  border-radius: 30px;
  box-shadow: 0px 0px 3px #3c6d59;
  transition: all 0.5s ease;
}
input[type="range"]::-webkit-slider-thumb:hover {
  background-color: #457d66;
}
input[type="range"]::-webkit-slider-thumb:active {
  box-shadow: 0px 0px 1px #3c6d59;
}

#rangevalue {
/*  text-align: center;
  font-family: "Quantico", sans-serif;
  font-size: 18px;
  display: block;
  margin: auto;
  padding: 10px 0px;
  width: 100%;
  color: #579E81;
*/
  text-align: center;
  font-family: "Quantico", sans-serif;
  font-size: 22px;
  display: block;
  margin: auto;
  padding: 8px -33px;
  width: 100%;
  color: #29A05E;
  margin-left: -93px;
  margin-top: 11px;

}