/* Suppress false error highlighting in GraphQL SDL code blocks.
   The Pygments GraphQL lexer does not fully support Schema Definition
   Language (SDL), causing type names and the ! modifier to be marked
   as errors. This CSS neutralises those markers for blocks that carry
   the .graphql-sdl class. */

.graphql-sdl .highlight .err {
    border: none;
    background: none;
    color: inherit;
}