.text-nowrap {
  white-space: nowrap;
}
.clickable {
  cursor: pointer;
}
.ta-right, table td.ta-right {
  text-align: right;
}
table#obs-list {
  margin-top: 1rem;
  border-collapse: collapse;
}
table#obs-list * {
  font-size: 0.8rem;
}
table#obs-list th {
  border-bottom: 1px solid #999;
  white-space: nowrap;
}
table#obs-list td {
  padding: 4px 8px;
}
table#obs-list td.papers ul {
  list-style: none;
  margin-left: 0;
}
table#obs-list td.papers ul li {
  display: inline-block;
  margin-right: 0.5rem;
}
table#obs-list tbody tr:nth-child(even) td {
  background-color: #f3f3f3;
}
table#obs-list th {
  text-align: center;
  vertical-align: middle;
  padding: 0 2px;
}
table#obs-list th.sortable > span {
  display: inline-block;
  vertical-align: middle;
}
.sortable.active {
  background-color: #E1F5FE;
}