• Alt + W Focuses the slider (clicking on it or tabbing also work)
• Alt + Q Focuses the range slider (clicking on it or tabbing also work)

Supported keys and user actions

• Right Increments the value by a small step (equivalent to Up)
• Left Decrements the value by a small step (equivalent to Down)
• Page Up Increments the value by a large step
• Page Down Decrements the value by a large step
• Home Move the draghandle to the min value
• End Move the draghandle to the max value
• Tab Tabs to second range slider draghandle or next focusable page element
• Shift + Tab Tabs to first range slider draghandle or previous focusable page element