The bottom spacing
Usually accesses division 900
Usually accesses division 600
Usually accesses division 700
Usually accesses division 800
The left spacing
Usually accesses division 500
The right spacing
Usually accesses division 400
Usually accesses division 300
Usually accesses division 200
Usually accesses division 100
The top spacing
The interface for the border widths. Provides style mixins that can be used to apply border width styles to components.