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

:root {
  --light-grey: #efefef;
  --white: #ffffff;
  --very-dark-blue: #0a0a23;
  --light-purple: #a78bfa;
  --very-light-purple: #c4b5fd;
  --purple: #8b5cf6;
}

body {
  background-color: var(--very-dark-blue);
  color: var(--light-grey);
  font-family: sans-serif;
}

main {
  text-align: center;
  padding: 10px;
}

.btn-container,
button {
  display: flex;
  justify-content: space-evenly;
  align-items: center;
}

.btn-container {
  flex-direction: column;
}

.emoji-btn {
  width: 70%;
  cursor: pointer;
  color: var(--white);
  background-color: var(--light-purple);
  background-image: linear-gradient(
    to bottom,
    var(--very-light-purple),
    var(--light-purple)
  );
  border: 3px solid var(--purple);
  border-radius: 8px;
  padding: 10px;
  font-size: 1.5rem;
  margin: 10px 0;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

@media (min-width: 768px) {
  .emoji-btn {
    width: 30%;
  }
}

.emoji-btn:hover {
  background-color: var(--purple);
  background-image: none;
}

.title {
  margin-top: 15px;
  font-size: 2rem;
}

.description {
  font-size: 1.4rem;
  margin: 20px 0;
}