Migrating to v3.x

Bootstrap Flat 3 is not backwards compatible with earlier versions. Use this section as a general guide to upgrading to v3.0.

Major class changes

This table shows the style changes.

Bootstrap Flat 2.x	Bootstrap Flat 3.0
`.callout .callout-*`	These classes still exist but are now styled differently. The closest equivalent to the older styled callouts would be `.alert .alert-striped` with one of the alert contextual classes applied.

We've added new elements and changed some existing ones. Here are the new or updated styles.

Element	Description
Boxed content	`.boxed-content` `.boxed-content-title` `.boxed-content.left-aligned` `.boxed-content.left-boxed-icon` `.number-box` `.number-box-lg` `.number-box-vertical` `.number-box-horizontal` `.date-box` `.date-box-month` `.date-box-year` `.date-box-day`
Switch inputs	`.switch-input` `.switch`
Pricing plans	`.pricing-plans` `.pricing-plan-single` `.pricing-plan` `.pricing-plan-title` `.pricing-plan-price` `.pricing-plan-heading` `.pricing-plan-footer` `.pricing-plan-body`
Icons	`.icon`
Social icons list	`.list-social-icons` `.list-social-icons-sm` `.list-social-icons-lg` `.list-social-icons-xl` `.list-social-icons-bright` `.list-social-icons-dim` `.social-icon-*`
Tabs	`.nav-tabs-pivot`
Testimonials	`.testimonial`

The following elements have been dropped or changed in v3.0.

Element	Removed from 2.x	3.0 Equivalent
Right striped buttons	`.btn-striped-right`	N/A
Callout links	`.callout-link`	N/A

Other changes in v3.0 are not immediately apparent. Base classes, key styles, and behaviors have been adjusted for flexibility.