The 'btn-theme' class modifies the default bootstrap styles for a 'sliding background' effect.
Primary button classes
Primary Button becomes Primary Button
Large Primary Button becomes Large Primary Button
Small Primary Button becomes Small Primary Button
Secondary button classes
Secondary Button becomes Secondary Button
Large Secondary Button becomes Large Secondary Button
Small Secondary Button becomes Small Secondary Button
Outline class examples.
Primary Outline Button becomes Primary Outline Button
Secondary Outline Button becomes Secondary Outline Button
Warning Outline Button becomes Warning Outline Button
Buttons with (auto-animating) arrows.
Left arrow Primary Button and Right arrow Primary Button
Other bootstrap button classes.
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