.bolt-tree-expand-button {
  border-radius: 2px;
  margin-right: 4px;
  padding: 6px; }

.bolt-tree-expand-button:hover {
  background-color: rgba( 234, 234, 234 ,  1 );
  background-color: rgba( var(--palette-neutral-8,234, 234, 234) ,  1 ); }

@media screen and (-ms-high-contrast: active) {
  .bolt-tree-expand-button:not(.disabled):hover {
    color: HighLight; } }