main{
    margin: 50px;
}
.canvas-container{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.controls{
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}
.slidecontainer {
    width: 50%;
    margin: 0 auto;
}
.slider {
  appearance: none;
  border-radius: 30px;
  width: 100%;
  height: 15px;
  background: hsl(0, 0%, 35%);
  outline: none;
  opacity: 0.7;
}
.slider:hover {
  opacity: 1;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  border-radius: 30px;
  width: 25px;
  height: 25px;
  background: hsl(0, 0%, 8%);
  cursor: pointer;
}