html, body {
  margin: 0;
  padding: 0;
}

canvas {
  display: block;
}

<style>.button {
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
}

/*.button1 {background-color: #f4ca16;} /* Yellow */
/*artist statement style */
#artistStatement {
  border: none;
  background-color: #f4ca16;
  color: black;
  text-align: center;
  text-decoration: none;
  display: block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
}

/*back button style */
#back {
  border: none;
  background-color: #f4ca16;
  color: black;
  text-align: center;
  text-decoration: none;
  display: block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
}

</style>

/*remove default style */
.mySliders {
  width: 80px;
  background-color: transparent;
  -webkit-appearance: none;
}

.mySliders:focus {
  outline: none;
}

/*slide track */
.mySliders::-webkit-slider-runnable-track {
  background: #000000;
  height: 3px;
  -webkit-appearance: none;
  cursor: pointer;
}

/*thumb of the slider */
.mySliders::-webkit-slider-thumb {
  width: 15px;
  height: 15px;
  color: #ffbb00;
  background: #ffbb00;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -6px;
  border-radius: 8px;
}