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

body {
  display: flex;
  flex-direction: column;
  align-items: center;

  background-color: #406459;
  height: 100vh;
  overflow: hidden;
  padding-inline: 1rem;
}

.title {
  padding-block: 2rem;
  color: #fff;
}

.container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.hex-content {
  display: flex;
  gap: 1rem;
  background-color: #111;
  color: #fff;
  padding: 2rem;
  border-radius: 0.3rem;
  font-size: 1.2rem;

  @media (width < 760px) {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
}

.btn {
  background-color: transparent;
  outline: none;
  border: 4px solid #111;
  padding: 0.3rem 1rem;
  font-size: 2rem;
  font-weight: 700;
  border-radius: 0.5rem;
  transition: transform 0.3s;

  &:hover {
    cursor: pointer;
  }

  &:active {
    transform: scale(0.9);
  }
}

.convert-btn {
  background-color: transparent;
  color: #333;
  outline: none;
  border: 4px solid #333;
  padding: 0.3rem 1rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 0.5rem;
  transition: transform 0.3s;

  &:hover {
    cursor: pointer;
  }

  &:active {
    transform: scale(0.9);
  }
}

.active {
  border: 4px solid #111;
  color: #111;
}