.subject-index-list > main {
	display: flex;
	flex-wrap: wrap;
	gap:30px
}
.subject-index-list > main >div{
	width: max-content;
}
.subject-index-list > main > div > div {
	display: flex;
	flex-wrap: wrap;
	flex-direction: column;
}
header span {
  display: inline-block;
  background: #ffeb3b; /* bright yellow highlight */
  color: #ff4081;      /* fun pink text */
  font-weight: bold;
  font-size: 1.3em;
  padding: 4px 10px;
  border-radius: 12px;
  box-shadow: 2px 2px 6px rgba(0,0,0,0.2);
}