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

#compass {
  border: 1px solid #000;
  display: block;
  height: 108px;
  margin: 10px;
  text-align: center;
  width: 108px;
}

#div_wrap {
  margin: 12px auto;
  width: 800px;
}
h4 {
  font-family: monospace;
  font-size: 36px;
  height: 36px;
  line-height: 36px;
  margin: 0;
  padding: 0;
}

#btn_reset {
  font-family: monospace;
  font-size: 24px;
  height: 50px;
  margin: 12px;
  width: 200px;
}