body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-color: White
}

#canvas-container {
  position: relative;
  border-radius: 50%;
  overflow: hidden;
  width: 600px;
  height: 600px;
}

#button-container {
  display: flex;
  justify-content: center;
  position: absolute;
  top: 650px;
  width: 100%;
}

button {
  width: 70px;
  height: 70px;
  cursor: pointer;
}