zdoc/assets/sass/themes/_lightcode.scss

$lightcode: (
  content-code-color: #344952,
  content-code-in-pre-color: #607d8b,
  content-code-background-color: #ffe56433,
  content-pre-color: #344952,
  content-pre-number-color: #aaa,
  content-pre-background-color: #eceff1,
  content-pre-border-background-color: rgba(12, 13, 14, 0.1),
  content-pre-header-background-color: #e2e6e9,
  content-pre-header-color: #344952,
);