docusaurus-theme-redoc/src/theme/ApiOperation/styles.css

Redoc Component for DocusaurusV2

.redocusaurus-operation.hide-example > div > div > div:nth-child(2) {
  display: none;
}
.redocusaurus-operation.hide-example > div > div > div:nth-child(1) {
  width: 100%;
}

.redocusaurus-operation h3 {
  color: var(--ifm-color-white);
}

.redocusaurus-operation > div:last-child {
  min-height: 0;
}