Bootstrap v4 utility classes

Bootstrap v4 CSS provides various utility classes to control color, spacing, flex-box, text alignment, floating, position, responsive display/hiding and much more.

External references

The following are convenience links to Bootstrap v4's documentation:

• Border utilities
• Clearfix utilities
• Close icon utilities
• Color utilities
• Display utilities
• Embed utilities
• Flex utilities
• Float utilities
• Image replacement utilities
• Overflow utilities
• Position utilities
• Screen reader utilities
• Shadow utilities
• Sizing utilities
• Spacing utilities
• Stretched link utilities
• Text utilities
• Vertical align utilities
• Visibility utilities

Bootstrap v4 also has defined typography styles and classes for various native HTML elements. You can find out more at the following links:

• Reboot
• Typography
• Code
• Figures