html,
body {
  height: 100%;
  background-image: url('../images/background.jpg');
  background-size: 100%;
  background-position: center;
}

body {
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
}
canvas {
  background-image: url('../images/canvas.jpg');
  background-size: 100%;
  border: 30px solid #004d70;
}
button {
  border: none;
  color: rgb(0, 0, 0);
  padding: 5px 10px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  font-size: 50px;
  margin: 4px 2px;
  transition-duration: 0.2s;
  cursor: pointer;
}

button:hover {
  background-color: #4caf50;
  color: white;
}

/* #startdiv {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
}

#restartdiv {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
} */