Font Loaders
.fa .fa-spin
.fa .fa-spin .fa-spin-2x .fa-3x
.fa .fa-spin .fa-2x
.fa .fa-spin .fa-spin-2x .fa-4x
Progressbars
Cross-browser compatibility
Progress bars use CSS3 transitions and animations to achieve some of their effects. These features are not supported in Internet Explorer 9 and below or older versions of Firefox. Opera 12 does not support animations.
Contextual alternatives
Striped
Animated
Stacked
Sizing