opencode/packages/ui/src/v2/components/badge-v2.css

[data-component="tag"] {
  box-sizing: border-box;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 16px;
  padding: 0 4px;
  user-select: none;

  border-radius: 2px;
  border: 0.5px solid var(--v2-border-border-base);
  background: var(--v2-background-bg-layer-02);

  font-style: normal;
  font-weight: 530;
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.05px;
  color: var(--v2-text-text-muted);
  font-variant-numeric: tabular-nums;
}

[data-component="tag"][data-high-contrast] {
  border-color: var(--v2-border-border-strong);
}