message: Remove outline stylings.Letting the browser hightlight the button
diff: @@ -274,17 +274,12 @@ $outcome-not-applicable-summary-color: $neutral-outcome;
  transition: transform 0.1s linear 0s;
  }
  - button {
  - outline: -webkit-focus-ring-color auto 5px;
  - }
  -
  .collapsible-control {
  font-family: 'Segoe UI Web (West European)', 'Segoe UI', '-apple-system', BlinkMacSystemFont, Roboto, 'Helvetica Neue', Helvetica,
  Ubuntu, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  background-color: transparent;
  cursor: pointer;
  border: none;
  - outline: none;
  }
  .collapsible-control[aria-expanded='false']:before {
  