Placement requirements for icons

The placement of the icon must include a margin. The free space around the icon should be no less than 50% of the icon's width.

Incorrect icon placement

Do not place icons against non-contrasting backgrounds.
Do not change the icon's proportions or add anything to it.
Do not lighten the icon.
Do not change the icon's color.
Do not place text or other elements in the icon's margins.