@import url("https://fonts.googleapis.com/css2?family=Poppins&display=swap");

:root {
  --primary-color: #064e3b;
  --secondary-color: #a7f3d0;
  --light-color: #ecfdf5;
}

* {
  padding: 0;
  margin: 0;
}

body {
  font-size: 1.2rem;
  background-color: var(--light-color);
  color: var(--primary-color);
  font-family: "Poppins", sans-serif;
  text-align: center;
}

h1 {
  padding: 2rem 2rem 5rem 2rem;
}

#container {
  margin: auto;
  padding: 2rem;
  max-width: 20vw;
  border: 1px solid var(--primary-color);
  background-color: var(--secondary-color);
}

@media screen and (max-width: 700px) {
  #container {
    max-width: 60vw;
  }
}

@media screen and (min-width: 925px) {
  #container {
    max-width: 30vw;
  }
}

@media screen and (min-width: 1200px) {
  #container {
    max-width: 20vw;
  }
}

#privacy {
  border: 1px solid var(--secondary-color);
  font-size: 1rem;
  margin-bottom: 1rem;
  background-color: var(--primary-color);
  color: var(--light-color);
  padding: 0.5rem;
}

#cancel {
  padding: 0.4rem 0 0 1rem;
}

#birthdate,
#lucky-no {
  width: 60%;
  border: 1px solid var(--primary-color);
  padding: 0.5rem 0.5rem 0.5rem 4rem;
  display: block;
  margin: 1rem;
  font-size: 1.2rem;
}

@media screen and (min-width: 1200px) {
  #birthdate {
    font-size: 1rem;
  }
}

#check-button {
  font-weight: bold;
  font-size: 1.2rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--primary-color);
  background-color: var(--light-color);
}

#check-button:hover {
  cursor: pointer;
  background-color: var(--primary-color);
  color: var(--light-color);
}

footer {
  margin: 7rem 1rem 1rem 1rem;
}

footer > a {
  color: var(--primary-color);
  text-decoration: underline;
}