html,
body {
  margin: 0;
  height: 100%;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #a9cbee;
}
input[type="range"] {
  -webkit-appearance: none;
  background: transparent;
  width: 90%;
  max-width: 500px;
  outline: none;
}
input[type="range"]:focus,
input[type="range"]:active,
input[type="range"]::-moz-focus-inner,
input[type="range"]::-moz-focus-outer {
  border: 0;
  outline: none;
}
input[type="range"]::-moz-range-thumb {
  border: none;
  height: 50px;
  width: 50px;
  background-color: transparent;
  background-image: url("https://storage.googleapis.com/pw-stuff/thumbs-sprite.png");
  background-position: 0 0;
  background-size: cover;
  transform: scale(1.9) rotateZ(var(--thumb-rotate, 10deg));
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb:active {
  background-position: 100% 0px;
  transform: scale(2) rotateZ(var(--thumb-rotate, 10deg));
}
input[type="range"]::-moz-range-track {
  width: 100%;
  height: 20px;
  background: #eee;
  border-radius: 10px;
  box-shadow: 2px 2px 4px rgba(0,0,0,0.4);
  cursor: pointer;
}
input[type="range"]::-moz-range-progress {
  height: 20px;
  background: #4685d7;
  border-radius: 10px;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  border: none;
  height: 50px;
  width: 50px;
  background-color: transparent;
  background-image: url("https://storage.googleapis.com/pw-stuff/thumbs-sprite.png");
  background-position: 0 0;
  background-size: cover;
  transform: scale(1.9) rotateZ(var(--thumb-rotate, 10deg));
  cursor: pointer;
  margin-top: -15px;
  -webkit-appearance: none;
}
input[type="range"]::-webkit-slider-thumb:active {
  background-position: 100% 0px;
  transform: scale(2) rotateZ(var(--thumb-rotate, 10deg));
}
input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 20px;
  background: #eee;
  border-radius: 10px;
  box-shadow: 2px 2px 4px rgba(0,0,0,0.4);
  cursor: pointer;
  -webkit-appearance: none;
}
label {
  background: #eee;
  border-radius: 50%;
  box-shadow: 2px 2px 4px rgba(0,0,0,0.4);
  padding: 14px;
  margin-left: 10px;
  font-family: Roboto, 'Helvetica Neue', Arial;
  font-size: 20px;
  width: 25px;
  text-align: center;
  color: #2968bb;
  font-weight: bold;
  content: '';
}
.twitter-link {
  position: absolute;
  bottom: 4px;
  margin: auto;
  font-family: sans-serif;
  font-size: 12px;
  color: rgba(0,0,0,0.6);
}

const input = document.querySelector("input");
const label = document.querySelector("label");

input.addEventListener("input", event => {
  const value = Number(input.value) / 100;
  input.style.setProperty("--thumb-rotate", `${value * 720}deg`);
  label.innerHTML = Math.round(value * 100);
});