#book-club-box {
    color: black;
    /* padding-top: 5%;
    padding-bottom: 5%; */
}

.book-club-interest-form {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.book-club-interest-form[hidden] {
  display: none !important;
}

.book-club-choice {
  display: flex;
  align-items: center;
  gap: 6px;
}

.book-club-interest-form button {
  margin-top: 6px;
  padding: 6px 10px;
  background: #fff;
  color: #000;
  border: 2px solid black;
  cursor: pointer;
  font: inherit;
  -webkit-appearance: none;
  appearance: none;
}

.book-club-thanks {
  margin-top: 12px;
  font-weight: 700;
}

html, body {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.content-area {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}