One small issue. When I change the volume the element appears to wait for me to let go of my mouse button before altering the volume. I'd expect the volume leve

One small issue. When I change the volume the element appears to wait for me to let go of my mouse button before altering the volume. I'd expect the volume level to change as I'm dragging the range element. It'd also be nice to get the progress bar to display how much video has buffered. Good work.