Primary button
Use class .btn-primary
Success button
Use class .btn-success
Info button
Use class .btn-info
Warning button
Use class .btn-warning
Danger button
Use class .btn-danger
Dark button
Use class .btn-dark
secondary button
Use class .btn-secondary
Link button
Use class .btn-link
Large button
Use class .btn-lg
Normal button
Use class .btn
Small button
Use class .btn-sm
Extra Small button
Use class .btn-xs
Block button
Use class .w-100
Button Group
Use class .btn-group
Icon button
Icon only button
File Upload button
Use class .fileupload
