Note: Test on all supported browsers Expand/Collapse button/link behaviours When the button/link receives focus (e.g. by tabbing to it), there should be a blue focus outline around it. Toggled by either Space or Enter key When the section(s) it controls expands, the button link should have " aria-expanded " set to true. Otherwise, it's false. (Inspect the expand/collapse button/link on your browser's dev tools) Test Test the following collapse/expand button links and confirm that they behave as described in the previous section. Master and 311 Collapse all/Expand all button link on a form (e.g. Edit profile page) Collapse/Expand section button on a form (rounded chevron button on master, down/right arrow on 311) Master only Collapse all/Expand all button link on the course homepage Collapse/Expand section button (rounded chevron button) on the course homepage