/* (A) LIST STYLES */
.slist {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* (B) DRAG-AND-DROP HINT */
.slist .hint {
  border: 1px solid #ffc49a;
  background: #feffb4;
}
.slist .active {
  border: 1px solid #ffa5a5;
  background: #ffe7e7;
}