src/theme/DocRoot/Layout/Main/styles.module.css

.docMainContainer {
  display: flex;
  width: 100%;
}

@media (min-width: 997px) {
  .docMainContainer {
    flex-grow: 1;
    max-width: calc(100% - var(--doc-sidebar-width) - var(--docs-nav-margin));
  }

  .docMainContainerEnhanced {
    max-width: calc(100% - var(--doc-sidebar-hidden-width));
  }

  .docItemWrapperEnhanced {
    max-width: calc(
      var(--ifm-container-width) + var(--doc-sidebar-width)
    ) !important;
  }
}
@media screen and (max-width: 1280px) {
  .docMainContainer {
    max-width: calc(
      100vw - var(--doc-sidebar-width) - var(--docs-nav-margin) - 140px
    );
  }
}
@media screen and (max-width: 996px) {
  .docMainContainer {
    max-width: 100%;
  }
}