logseq/src/main/frontend/components/reference.css

.cp__filters-input {
  background-color: var(--ls-primary-background-color);
  padding: 0.5rem;
  outline: none;
}

.cp__filters-input-panel {
  background-color: var(--ls-primary-background-color);
  border-radius: 0.25rem;
  padding-left: 0.5rem;
  align-items: center;
}

.references-blocks .breadcrumb {
  margin-left: 1.5rem;
}

.ls-filters {
    max-width: 704px;
}