#input-box {
  padding: 10px 10px;
  border-bottom: 1px solid rgb(2, 16, 59);
  margin: 15px;
}
#input-box label {
  letter-spacing: 1px;
}
#input-box input {
  background: transparent;
  border: 0;
  text-align: center;
  letter-spacing: 2px;
  color: grey;
  outline: none;
}
#btn-box {
  padding-top: 15px;
}
#btn-box button {
  padding: 0px 30px;
  border: 1px solid royalblue;
  border-radius: 7px;
  letter-spacing: 1px;
  font-size: 14px;
  color: #fff;
  background: transparent;
  transition: 0.2s ease-in-out;
}
#btn-box button:hover {
  transition: 0.2s ease-in-out;
  background-color: royalblue;
}