.activity .book-section > div.columns {
  -webkit-columns: 4 16rem;
  -moz-columns: 4 16rem;
  columns: 4 16rem;
  -webkit-column-gap: 2rem;
  -moz-column-gap: 2rem;
  column-gap: 2rem;
}

.activity .book-section > div.group section {
  width: 50%;
  float: left;
  padding: 0 1.5rem;
}

html[data-col-ct='1'] .activity .book-section > div.group section {
  width: 100%;
}

.activity .banner {
  margin-bottom: 1.5rem;
}

.activity h1 {
  text-align: center;
  font-size: 1.7rem;
  margin-bottom: 1rem;
}

.activity h2 {
  font-size: 1.2rem;
}

.activity img {
  display: block;
  width: 16rem;
  margin: 1rem auto;
}

.activity p {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.activity .book-section > div > p:first-child:first-letter {
  font-size: 3rem;
  float: left;
  padding: 0.2rem 0.4rem 0 0.15rem;
}

.activity .supplies {
  font-size: 0.85rem;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  break-inside: avoid;
  margin: 1rem 0.5rem;
}

.activity .supplies:not(.no-columns) > ul {
  -webkit-columns: 2 8rem;
  -moz-columns: 2 8rem;
  columns: 2 8rem;
  -webkit-column-gap: 1rem;
  -moz-column-gap: 1rem;
  column-gap: 1rem;
}

.activity .supplies h4 {
  font-size: 1rem;
  text-transform: uppercase;
  line-height: 1.6;
}

.activity .supplies li {
  list-style-type: square;
  margin-left: 1rem;
  line-height: 1.2;
}

html[data-book='AL4K'] .content-wrap > .activity {
  background-color: #E7E1D5;
}

html[data-book='AR4K'] .content-wrap > .activity {
  background-color: #D7DEEB;
}

html[data-book='MP4K'] .content-wrap > .activity {
  background-color: #E7E7E9;
}

html[data-book='LC4K'] .content-wrap > .activity {
  background-color: #EAEAEA;
  background-image: url("../images/noise.png");
}

.activity [data-book='AL4K'] h1 img {
  max-width: 25rem;
  width: 100%;
}

.activity [data-book='AR4K'] .border {
  width: 100%;
  height: 0.9rem;
  background: url("../books/AR4K/activity/star.png") #0D3552 repeat-x;
  background-size: 1.4rem 0.7rem;
}

.activity [data-book='AR4K'] .border:first-child {
  margin-bottom: 3rem;
}

.activity [data-book='AR4K'] .border:last-child {
  margin-top: 3rem;
}

.activity [data-book='AR4K'] .banner {
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  top: 1.2rem;
  padding: 0.75rem 1rem;
  letter-spacing: 0.5rem;
  border: 0.3rem double #0D3552;
  display: inline-block;
  background-color: #fff;
}

.activity [data-book='AR4K'] h3,
.activity [data-book='AR4K'] h3 + p {
  text-align: center;
  line-height: 1;
  margin: 0;
}

.activity .col-wrap {
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  break-inside: avoid;
}

.activity [data-book='AR4K'] h3 {
  letter-spacing: 0.4rem;
  margin-top: 1.5rem;
}

.activity [data-book='CW4K'] .banner img {
  width: 15rem;
}

.activity [data-book='CW4K'] h1 {
  color: #8FB2C3;
}

.activity [data-book='LC4K'] .rattle {
  width: 12rem;
}

html[data-col-ct='1'] .activity [data-book='LC4K'] .rattle {
  width: 8rem;
}

.activity [data-book='LV4K'] > div > ul {
  margin-bottom: 0.5rem;
}

.activity [data-book='LV4K'] > div > ul li {
  list-style-type: disc;
  font-size: 0.9rem;
  margin-left: 2rem;
}

.activity [data-book='MP4K'] .banner {
  width: 100%;
  height: 4rem;
  padding: 0.1rem;
  background-color: #AF262C;
}

.activity [data-book='MP4K'] .banner img {
  height: 2rem;
}