Alt+UUpper block, containing the links to the services of this site.
Alt+CCenter block, providing the principal information of the page.
Alt+LLeft anchor(L) - Opens up the left sidebar menu.
Alt+ZBottom block, providing the principal information of the page.
← → or↑↓ : Left-right or up and down keys to move the tab order.
Home or End→ : Can directly jump to label the first or last.
Tab : Stay on the label, you can use Tab to browse the contents of that data, when faced with the radio buttons ← → or ↑ ↓ keys to move the order of items .
Tab + Shift : Press Tab + Shift to jump back on the amount of information; when you jump back to label the project can continue to use the ← → or ↑ ↓ keys to move the tab order.