#box {
  display: block;
  border: none;
}

#madeIn {
  display: inline-block;
  font-size: 7px;
  width: 380px;
}

#nickname {
  display: inline-block;
  font-size: 7px;
}

table {
  border: 1px solid black;
  height: 300px;
}

table .btn {
  border: 1px solid black;
  width: 100px;
  height: 70px;
  font-size: 24px;
  background-color: white;
  outline: none;
}

#display {
  border: 2px solid #4774d9;
  width: 392px;
  height: 70px;
  text-align: right;
  font-size: 35px;
  padding-right: 15px;
}
#btn_0 {
  width: 204px;
}