.calc {
  text-align: left;
  font-size: 16px;
}
.box {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0 5px;
}
.box .price {
  flex: 0 0 auto;
}
.box .price .price-box {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.box .price .price-box .price-box-item {
  flex: 0 0 auto;
  margin: 0 10px;
}
.box .catalogs {
  flex: 1 0 auto;
}
.box .catalogs .catalogs-box {
  display: flex;
  flex-direction: column;
  flex-flow: row nowrap;
  align-items: flex-start;
}
.box .catalogs .catalogs-box .modules-box {
  flex: 0 0 320px;
}
.box .catalogs .catalogs-box .marks-box {
  flex: 1 1 auto;
}
.box h3 {
  margin-bottom: 10px;
}
.modules-box {
  margin: 10px 0;
}
.marks-box {
  margin: 10px 0;
  padding: 10px 20px;
  min-height: 400px;
}
.marks-box hr {
  margin: 10px 0;
}
.module-item {
  background: #fff;
  padding: 3px 16px;
  cursor: pointer;
}
.module-item .description {
  font-size: 12px;
}
.active {
  color: #ffce09;
  border-right: 3px solid #ffce09;
}