Audio slider for music overlaps button's when clicking on the button

[DevKnightRuin]

Made pull request for this issue. This image was taken in Opera browser so the appearance of the slider is different, The issue did exist when using chrome as well.

[maanderz]

I'd like to add spacing beside the 'Pause Music' button that's identical to the right button for consistency (screenshot)

[maanderz]

Submitted a PR