.mat-header-cell {
  padding: 0 10px 0 10px;
}

.mat-cell {
  padding: 0 10px 0 10px;
}

.element-row {
  position: relative;
  overflow: hidden;
}

.element-row:not(.expanded) {
  cursor: pointer;
}

.element-row:not(.expanded):hover {
  background: #f5f5f5;
}

.element-row.expanded {
  border-bottom-color: transparent;
}