Border
Specify a border for non-focused and focused tiles.
Key
border
Value
border:
  size: int  # Size in pixels
  color: Color # Hex color (rgba) or rgba YAML object
  focus_color: Color # Hex color (rgba) or rgba YAML object
  radius: int # Radius in pixels
Example
# ~/.config/miracle-wm.yaml
border:
  size: 2
  color: 0xffff0000
  focus_color:
    r: 0
    g: 255
    b: 0
    a: 255
  radius: 16