* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.app {
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgb(63, 68, 19);
}

.size {
  padding: 30px;
  font-size: 40px;
  font-family: monospace;
  color: rgb(85, 139, 163);
}

.restart {
  margin-right: 10px;
  padding: 15px;
  border: none;
  border-radius: 500px;
  outline: none;
}