src/automated-pipelines/components/parameter-table/ParameterTable.module.scss

.parameterTable {
  // this is for the child parameter table row that contains the top level
  // properties details toggle element because we want it to match the
  // background color of the top level parameter rows.  We need the !important
  // because the child parameter rows (the nested expanded properties) otherwise
  // have the same background color.
  & > tbody > tr {
    background: var(--color-canvas-default) !important;
  }

  // also for the top level child parameter table row, we want the details toggle
  // to align with the top level parameter rows.  Child parameter rows have some
  // left padding so they can indent as they nest but we don't want that in
  // this case.  We need the !important to override general default markdown
  // article styling.
  & > tbody > tr > td > details {
    padding-left: 0px !important;
    margin-bottom: 4px !important;
  }

  & > tbody > tr > td > * {
    width: auto;
    display: block;
    word-break: break-word;
  }
}