Clean up the settings page

[kernelmethod]

This is what the settings page currently looks like:

There are a couple of things that could be done to improve this:

• Add a margin between the top and bottom
• Reduce the width of the sidebar, emphasize the actual settings options instead

[prgu6170]

3b9bfcba627ad4d71ce075df47e9b0b4b6a7cd52