#flash_card_list {
  max-height: 50vh;
  overflow-y: auto;
  display: block;
}

#flash_card_list table {
  width: 100%;
  border-collapse: collapse;
}

#flash_card_list thead {
  position: sticky;
  top: 0;
  background-color: #f4a261;
  z-index: 1;
}

#flash_card_list th,
#flash_card_list td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

#flash_card_list tbody tr:hover {
  background-color: #f9f9f9;
}