margin: 0;

  padding: 0;

  display: grid;

  place-items: center;

  min-width: 70%;

}

canvas {

  display: block;

  position: relative;

  Top: 15px;

  Left: 0px;

}

​

button {

  padding: 5px 5px 5px 5px;

  border: 2px solid #000000;

  color:#000000;

  text-decoration:none;

  background: #79ff2c;

  width: 80%;

  height: 75px;

  border-radius: 50px;

  position: relative;

  left: 0px;

}

​